Cis ms

CIS and conversion to MSedit

Clinically isolated syndrome (CIS) is a first episode of neurological symptoms that lasts for at least 24 hours. Although some people never go on to experience further neurological symptoms, in others CIS can be the first sign of what may later turn out to be multiple sclerosis.. CIS is caused by damage to the covering of nerves in the central nervous system (CNS) If your MRI detected MS-like lesions, there’s a 60 to 80 percent chance that you’ll have another flare-up and an MS diagnosis within a few years.Specific genes that have been linked with MS include differences in the human leukocyte antigen (HLA) system—a group of genes on chromosome 6 that serves as the major histocompatibility complex (MHC).[5] That differences in the HLA region are related to susceptibility has been known since the 1980s,[38] and this same region has also been implicated in the development of other autoimmune diseases such as diabetes type I and systemic lupus erythematosus.[38] The most consistent finding is the association between multiple sclerosis and alleles of the MHC defined as DR15 and DQ6.[5] Other loci have shown a protective effect, such as HLA-C554 and HLA-DRB1*11.[5] Overall, it has been estimated that HLA differences account for between 20% and 60% of the genetic predisposition.[38] Modern genetic methods (genome-wide association studies) have revealed at least twelve other genes outside the HLA locus that modestly increase the probability of MS.[38]

CIS vs. MS: Difference Between Clinically Isolated ..

  1. e whether their eli
  2. The diagnostic criteria for MS were updated in 2017. These changes have made them more sensitive and led to less diagnostic uncertainty, which means that more people are being diagnosed earlier with MS and fewer people are being given a diagnosis of CIS.
  3. Medications that influence voltage-gated sodium ion channels are under investigation as a potential neuroprotective strategy because of hypothesized role of sodium in the pathological process leading to axonal injury and accumulating disability. Currently, there is insufficient evidence of an effect of sodium channel blockers for people with MS.[165]
  4. CIS, by its very name, indicates that you’ve had an isolated incident. It doesn’t mean you should expect more or that you’ll definitely develop multiple sclerosis (MS). However, CIS is sometimes the first clinical episode of MS.
  5. As of 2013, review of 9 immunomodulators and immunosuppressants found no evidence of any being effective in preventing disability progression in people with progressive MS.[101]
  6. Multiple sclerosis is the most common immune-mediated disorder affecting the central nervous system.[14] In 2015, about 2.3 million people were affected globally, with rates varying widely in different regions and among different populations.[6][15] In that year, about 18,900 people died from MS, up from 12,000 in 1990.[7][16] The disease usually begins between the ages of 20 and 50 and is twice as common in women as in men.[2] MS was first described in 1868 by French neurologist Jean-Martin Charcot.[17] The name multiple sclerosis refers to the numerous glial scars (or sclerae – essentially plaques or lesions) that develop on the white matter of the brain and spinal cord.[17] A number of new treatments and diagnostic methods are under development.[18]

At the current time, there are no laboratory investigations that can predict prognosis. Several promising approaches have been proposed including: interleukin-6, nitric oxide and nitric oxide synthase, osteopontin, and fetuin-A.[170] Since disease progression is the result of degeneration of neurons, the roles of proteins showing loss of nerve tissue such as neurofilaments, tau, and N-acetylaspartate are under investigation.[170][171][172] Other effects include looking for biomarkers that distinguish between those who will and will not respond to medications.[170] The three main characteristics of MS are the formation of lesions in the central nervous system (also called plaques), inflammation, and the destruction of myelin sheaths of neurons. These features interact in a complex and not yet fully understood manner to produce the breakdown of nerve tissue and in turn the signs and symptoms of the disease.[5] Cholesterol crystals are believed to both impair myelin repair and aggravate inflammation.[42][43] MS is believed to be an immune-mediated disorder that develops from an interaction of the individual's genetics and as yet unidentified environmental causes.[8] Damage is believed to be caused, at least in part, by attack on the nervous system by a person's own immune system.[5] With CIS, there’s no way to know for sure if you’ll eventually develop MS. You may never have another episode.MS affects everyone differently. It’s impossible to predict one person’s long-term outlook. After 15 to 20 years, one-third of people with MS have minimal or no impairment. Half have a progressive form of MS and increasing impairments.To be classified as CIS, the episode must last at least 24 hours. It can’t be associated with fever, infection, or other illness.

Clinically Isolated Syndrome (CIS): Symptoms, Causes

Though CIS is an alarming diagnosis, the sooner it's diagnosed, the sooner you can learn more about your risk for MS and begin the important drug treatment that could protect your future.Besides all this autoantibodies found, four different patterns of demyelination have been reported in MS, opening the door to consider MS as an heterogeneous disease.[168] A mild case of CIS may clear up on its own within a few weeks. It may resolve before you ever get to a diagnosis.If you have experienced CIS, living with the uncertainty of whether you will go on to develop MS or not can cause anxiety, fear, confusion or even anger. Research has shown that there is an increased risk of mild to moderate depression and anxiety in those with CIS. It can feel frustrating that health professionals can't say what you might expect to happen in the short or longer term.

Based upon clinical symptoms alone, CIS and MS may appear the same. In both, damage to the myelin sheath (demyelination) interferes with the way nerve impulses are carried from the brain, resulting in neurologic symptoms.Finally, a third kind of auto-antibodies is accepted. They are several anti-neurofascin auto-antibodies which damage the Ranvier nodes of the neurones. These antibodies are more related to the peripheral nervous demyelination, but they were also found in chronic progressive PPMS and combined central and peripheral demyelination (CCPD, which is considered another atypical MS presentation).[167] Brain lesions associated with a clinically isolated syndrome may be indicative of several neurological diseases, like multiple sclerosis (MS) or neuromyelitis optica. In order for such a diagnosis, multiple sites in the central nervous system must present lesions, typically over multiple episodes, and for which no other diagnosis is likely. A clinically definitive diagnosis of MS is made once an MRI detects lesions in the brain, consistent with those typical of MS. Other diagnostics include cerebrospinal fluid analysis and evoked response testing.[1]

Ask your neurologist about the potential benefits and risks of each before choosing to take one of these powerful medications.In 2019, siponimod and cladribine were approved in the United States for the treatment of secondary progressive multiple sclerosis.[80] There's no single test that can definitively determine whether you'll go on to develop MS or not after experiencing CIS. Many factors have been investigated to see if they can better determine your risk, including:The 1996 definition of the clinical courses of MS (phenotypes) was updated on 2013 by an international panel (International Advisory Committee on Clinical Trials). Many CIS episodes are mild and resolve on their own over a period of weeks. However when symptoms are more severe, for example visual loss and pain in optic neuritis, or vertigo where there is a brainstem lesion, you may be prescribed high dose steroids. These are given either as a pill or through a drip in hospital, but only for a few days. Steroids can speed up your recovery - however, your level of recovery will be the same whether you have steroid treatment or not.

Clinically isolated syndrome - Wikipedi

  1. According to the MS Trust, another common symptom is optic neuritis, which causes blurred vision, loss of vision in one eye, or pain behind the eye. Numbness and tingling in the legs that may rise into the abdomen and sometimes the chest, facial numbness, and slurred speech are also common symptoms, Dr. Lublin says.
  2. In 2008, vascular surgeon Paolo Zamboni suggested that MS involves narrowing of the veins draining the brain, which he referred to as chronic cerebrospinal venous insufficiency (CCSVI). He found CCSVI in all patients with MS in his study, performed a surgical procedure, later called in the media the "liberation procedure" to correct it, and claimed that 73% of participants improved.[176] This theory received significant attention in the media and among those with MS, especially in Canada.[177] Concerns have been raised with Zamboni's research as it was neither blinded nor controlled, and its assumptions about the underlying cause of the disease are not backed by known data.[178] Also, further studies have either not found a similar relationship or found one that is much less strong,[179] raising serious objections to the hypothesis.[180] The "liberation procedure" has been criticized for resulting in serious complications and deaths with unproven benefits.[178] It is, thus, as of 2013 not recommended for the treatment of MS.[181] Additional research investigating the CCSVI hypothesis are under way.[182][needs update]
  3. CIS and MS are similar in that the symptoms are the same, according to the National Multiple Sclerosis Society. The difference is that CIS represents only one episode of symptoms. If the symptoms come back a second time, it’s considered clinically definite MS, the society says.
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  5. While the above criteria allow for a non-invasive diagnosis, and even though some state[5] that the only definitive proof is an autopsy or biopsy where lesions typical of MS are detected,[49][53] currently, as of 2017, there is no single test (including biopsy) that can provide a definitive diagnosis of this disease.[54]

Clinically Isolated Syndrome (CIS): Vs

Therefore the former expression "conversion from CIS to MS", which is still in use, should be redefined consistently with the former changes, since CIS now is inside MS. The symptoms you experience will depend on where in the brain or spinal cord damage has occurred. Common symptoms experienced by someone with CIS include:

Clinically Isolated Syndrome: Is It a Glimpse of MS to

  1. Symptoms depend on the location of the lesions. They can range from barely detectable to disabling. It’s hard to distinguish CIS from MS based on symptoms alone.
  2. MS is not considered a hereditary disease; however, a number of genetic variations have been shown to increase the risk.[34] Some of these genes appear to have higher levels of expression in microglial cells than expected by chance.[35] The probability of developing the disease is higher in relatives of an affected person, with a greater risk among those more closely related.[8] In identical twins both are affected about 30% of the time, while around 5% for non-identical twins and 2.5% of siblings are affected with a lower percentage of half-siblings.[5][8][36] If both parents are affected the risk in their children is 10 times that of the general population.[2] MS is also more common in some ethnic groups than others.[37]
  3. However, having access to reliable information so you are fully informed about the condition and can make the right decisions for you is important. In some areas MS nurses are available to support people diagnosed with CIS. If this isn't the case for you, it's important to contact your GP or neurologist if you experience new symptoms that could potentially lead to a diagnosis of MS.
  4. Transverse myelitis can also be a condition in its own right and in most cases a person only has a single episode.

A clinically isolated syndrome (CIS) is a clinical situation of an individual's first neurological episode, caused by inflammation or demyelination of nerve tissue. An episode may be monofocal, in which symptoms present at a single site in the central nervous system, or multifocal, in which multiple sites exhibit symptoms.CIS with enough paraclinical evidence can be considered as a clinical. Before the 2010 McDonald criteria,[6] when it was not possible to prove dissemination of the lesions in space and time, the condition was called CIS and was considered outside the MS spectrum. As soon as dissemination was clear (a second lesion development) the situation was called "Conversion to MS". The blood–brain barrier (BBB) is a part of the capillary system that prevents the entry of T cells into the central nervous system. It may become permeable to these types of cells secondary to an infection by a virus or bacteria. After it repairs itself, typically once the infection has cleared, T cells may remain trapped inside the brain.[8] Gadolinium cannot cross a normal BBB and, therefore, gadolinium-enhanced MRI is used to show BBB breakdowns.[46] Treatment of clinically isolated syndrome (CIS) with interferons decreases the chance of progressing to clinical MS.[5][94][95] Efficacy of interferons and glatiramer acetate in children has been estimated to be roughly equivalent to that of adults.[96] The role of some newer agents such as fingolimod,[72] teriflunomide, and dimethyl fumarate,[75] is not yet entirely clear.[97] It is difficult to make firm conclusions about the best treatment, especially regarding the long‐term benefit and safety of early treatment, given the lack of studies directly comparing disease modifying therapies or long-term monitoring of patient outcomes.[98] Clinically isolated syndrome (CIS) is one of the MS disease courses.CIS refers to a first episode of neurologic symptoms that lasts at least 24 hours and is caused by inflammation or demyelination (loss of the myelin that covers the nerve cells) in the central nervous system (CNS). Learn more about clinically isolated syndrome (CIS

Later, it was found that some cases of MS were presenting anti-MOG autoantibodies, mainly overlapping with the Marburg variant. Anti-MOG autoantibodies were found to be also present in ADEM, and now a second spectrum of separated diseases is being considered. At this moment, it is named inconsistently across different authors, but it is normally something similar to anti-MOG demyelinating diseases.[166] Studies have shown that early treatment of CIS with disease modifying drugs can delay a second episode if you're at high risk of developing MS.In 2001, the International Panel on the Diagnosis of multiple sclerosis issued the McDonald criteria, a revision of the previous diagnostic procedures to detect MS, known as the Poser criteria. "While maintaining the basic requirements of dissemination in time and space, the McDonald criteria provided specific guidelines for using findings on MRI and cerebrospinal fluid analysis to provide evidence of the second attack in those individuals who have had a single demyelinating episode and thereby confirm the diagnosis more quickly."[3] Further revisions were issued in 2005. During the 20th century, theories about the cause and pathogenesis were developed and effective treatments began to appear in the 1990s.[5] Since the beginning of the 21st century, refinements of the concepts have taken place. The 2010 revision of the McDonald criteria allowed for the diagnosis of MS with only one proved lesion (CIS).[147] Subsequently, three years later, the 2013 revision of the "phenotypes for the disease course" were forced to consider CIS as one of the phenotypes of MS, making obsolete some expressions like "conversion from CIS to MS".[148]

Multiple sclerosis - Wikipedi

What is Clinically Isolated Syndrome

Evidence for a virus as a cause include the presence of oligoclonal bands in the brain and cerebrospinal fluid of most people with MS, the association of several viruses with human demyelination encephalomyelitis, and the occurrence of demyelination in animals caused by some viral infections.[40] Human herpes viruses are a candidate group of viruses. Individuals having never been infected by the Epstein–Barr virus are at a reduced risk of getting MS, whereas those infected as young adults are at a greater risk than those having had it at a younger age.[5][11] Although some consider that this goes against the hygiene hypothesis, since the non-infected have probably experienced a more hygienic upbringing,[11] others believe that there is no contradiction, since it is a first encounter with the causative virus relatively late in life that is the trigger for the disease.[5] Other diseases that may be related include measles, mumps and rubella.[5] Optic neuritis is caused by damage to the optic nerve which transmits images from the retina at the back of the eye to the brain. It can occur suddenly or over a period of hours. Optic neuritis commonly causes blind spots or areas of poor vision surrounded by an area of normal vision. Your colour vision can also be severely affected and you may experience pain, particularly during eye movement.NEWSLETTERSSign up for our Multiple Sclerosis Newsletter!Enter your emailSubscribeBy subscribing you agree to the Terms of Use and Privacy Policy.The areas where damage is most frequently seen in CIS are the optic nerve, the spinal cord, and the brainstem.

There is ongoing research looking for more effective, convenient, and tolerable treatments for relapsing-remitting MS; creation of therapies for the progressive subtypes; neuroprotection strategies; and effective symptomatic treatments.[18] MS is the most common autoimmune disorder of the central nervous system.[14] As of 2010, the number of people with MS was 2–2.5 million (approximately 30 per 100,000) globally, with rates varying widely in different regions.[15][2] It is estimated to have resulted in 18,000 deaths that year.[142] In Africa rates are less than 0.5 per 100,000, while they are 2.8 per 100,000 in South East Asia, 8.3 per 100,000 in the Americas, and 80 per 100,000 in Europe.[15] Rates surpass 200 per 100,000 in certain populations of Northern European descent.[2] The number of new cases that develop per year is about 2.5 per 100,000.[15] The disease-modifying treatments have several adverse effects. One of the most common is irritation at the injection site for glatiramer acetate and the interferons (up to 90% with subcutaneous injections and 33% with intramuscular injections).[70][107] Over time, a visible dent at the injection site, due to the local destruction of fat tissue, known as lipoatrophy, may develop.[107] Interferons may produce flu-like symptoms;[108] some people taking glatiramer experience a post-injection reaction with flushing, chest tightness, heart palpitations, and anxiety, which usually lasts less than thirty minutes.[109] More dangerous but much less common are liver damage from interferons,[110] systolic dysfunction (12%), infertility, and acute myeloid leukemia (0.8%) from mitoxantrone,[105][111] and progressive multifocal leukoencephalopathy occurring with natalizumab (occurring in 1 in 600 people treated).[4][112]

Clinically isolated syndrome refers to a single point in time – it is just one episode of neurological symptoms. If you've experienced a multifocal clinically isolated syndrome, although damage may have occurred in more than one place, it has still only happened at one point in time, so you wouldn't be given a diagnosis of MS if there is no evidence of a previous episode.Multiple sclerosis is typically diagnosed based on the presenting signs and symptoms, in combination with supporting medical imaging and laboratory testing.[4] It can be difficult to confirm, especially early on, since the signs and symptoms may be similar to those of other medical problems.[5][47] The McDonald criteria, which focus on clinical, laboratory, and radiologic evidence of lesions at different times and in different areas, is the most commonly used method of diagnosis[15] with the Schumacher and Poser criteria being of mostly historical significance.[48]

CIS treatment depends on your symptoms and how severe they are. Doctors sometimes prescribe a steroid, and for those considered at risk for developing MS, they may prescribe disease-modifying drugs to help delay its onset and prevent disability from MS inflammation and nerve damage, the MS Trust reports.When you have one symptom caused by one lesion, it’s called a monofocal episode. If you have several symptoms caused by multiple lesions, you’ve had a multifocal episode.While the main classification in 1996 was the recovery from the attacks (this clinical feature separates RR from progressive), in the updated revision the main classification is the activity. During the 2000s and 2010s, there has been approval of several oral drugs that are expected to gain in popularity and frequency of use.[154] Several more oral drugs are under investigation, including ozanimod, laquinimod, and estriol. Laquinimod was announced in August 2012 and is in a third phase III trial after mixed results in the previous ones.[155][156] Similarly, studies aimed to improve the efficacy and ease of use of already existing therapies are occurring. This includes the use of new preparations such as the PEGylated version of interferon-β-1a, which it is hoped may be given at less frequent doses with similar effects.[157][158] Estriol, a female sex hormone found at high concentrations during late pregnancy, has been identified as a candidate therapy for women with relapsing-remitting MS and has progressed through Phase II trials.[159][160] Request for approval of peginterferon beta-1a is expected during 2013.[158] MS is more common in regions with northern European populations[5] and the geographic variation may simply reflect the global distribution of these high-risk populations.[2] Decreased sunlight exposure resulting in decreased vitamin D production has also been put forward as an explanation.[30][31][32]

Some studies suggest that low levels of vitamin D can increase your risk of converting from CIS to MS. If you have low levels of vitamin D you may want to consider taking a vitamin D supplement, although it's not yet clear whether taking supplements is effective.Individuals who experience CIS may or may not go on to develop MS. In diagnosing CIS, the healthcare provider faces two challenges: first, to determine whether the person is experiencing a neurologic episode caused by damage in the CNS; and second, to determine the likelihood that a person experiencing this type of demyelinating event is going to go on to develop MS.First of all, anti-AQP4 autoantibodies were found in neuromyelitis optica (NMO), which was previously considered a MS variant. After that, a whole spectrum of diseases named NMOSD (NMO spectrum diseases) or anti-AQP4 diseases has been accepted.[166] Brainstem syndrome occurs when there is damage to the nerves in the brainstem -  the area at the base of the brain where it connects to the spinal cord. The brainstem controls basic functions such as your breathing, heart rate and blood pressure. Symptoms of brainstem syndrome include dizziness or vertigo, nausea, vomiting and double vision, but symptoms vary depending on the specific area affected.

Clinically isolated syndrome (CIS) MS Trus

Over 50% of people with MS may use complementary and alternative medicine, although percentages vary depending on how alternative medicine is defined.[12] Regarding the characteristics of users, they are more frequently women, have had MS for a longer time, tend to be more disabled and have lower levels of satisfaction with conventional healthcare.[12] The evidence for the effectiveness for such treatments in most cases is weak or absent.[12][130] Treatments of unproven benefit used by people with MS include dietary supplementation and regimens,[12][131][132] vitamin D,[133] relaxation techniques such as yoga,[12] herbal medicine (including medical cannabis),[12][134][135] hyperbaric oxygen therapy,[136] self-infection with hookworms, reflexology, acupuncture,[12][137] and mindfulness.[138] Evidence suggests vitamin D supplementation, irrespective of the form and dose, provides no benefit for people with MS; this includes for measures such as relapse recurrence, disability, and MRI lesions while effects on health‐related quality of life and fatigue are unclear.[139] As of 2017, rituximab has been widely used off-label to treat progressive primary MS.[99] In March 2017 the FDA approved ocrelizumab as a treatment for primary progressive MS, the first drug to gain that approval,[88][89] with requirements for several Phase IV clinical trials.[90] Both medications and neurorehabilitation have been shown to improve some symptoms, though neither changes the course of the disease.[115] Some symptoms have a good response to medication, such as bladder spasticity, while others are little changed.[5] Equipment such as catheters for neurogenic bladder or mobility aids can be helpful in improving functional status. Multiple sclerosis (MS) is a demyelinating disease in which the insulating covers of nerve cells in the brain and spinal cord are damaged.[1] This damage disrupts the ability of parts of the nervous system to transmit signals, resulting in a range of signs and symptoms, including physical, mental, and sometimes psychiatric problems.[5][8][9] Specific symptoms can include double vision, blindness in one eye, muscle weakness and trouble with sensation or coordination.[1] MS takes several forms, with new symptoms either occurring in isolated attacks (relapsing forms) or building up over time (progressive forms).[10] Between attacks, symptoms may disappear completely; however, permanent neurological problems often remain, especially with the advancement of the disease.[10] At the moment there is no blood test that can be used to diagnose either MS or CIS. However, blood tests might be carried out to identify, or rule out, other potential causes for your symptoms.


  1. istration of high doses of intravenous corticosteroids, such as methylprednisolone, is the usual therapy,[5] with oral corticosteroids see
  2. Many microbes have been proposed as triggers of MS, but none have been confirmed.[8] Moving at an early age from one location in the world to another alters a person's subsequent risk of MS.[11] An explanation for this could be that some kind of infection, produced by a widespread microbe rather than a rare one, is related to the disease.[11] Proposed mechanisms include the hygiene hypothesis and the prevalence hypothesis. The hygiene hypothesis proposes that exposure to certain infectious agents early in life is protective, the disease is a response to a late encounter with such agents.[5] The prevalence hypothesis proposes that the disease is due to an infectious agent more common in regions where MS is common and where, in most individuals, it causes an ongoing infection without symptoms. Only in a few cases and after many years does it cause demyelination.[11][39] The hygiene hypothesis has received more support than the prevalence hypothesis.[11]
  3. Making a CIS diagnosis is done by ruling out other causes, which means doctors may run several tests. According to the MS Trust, one important diagnostic tool is magnetic resonance imaging (MRI), which can uncover changes in the central nervous system that point to possible MS.
  4. ation or test that can be used to diagnose CIS and the process involves ruling out other possible causes for your symptoms. Your medical history and a clinical exa

Other lifestyle changes that can help you stay as well as possible include eating healthily to maintain a health weight, and staying as active as possible.Like most people with MS, Ray Walker wasn't prepared for his diagnosis. Now, more than a decade later, he helps others with the condition learn from…Several phenotypes (commonly termed types), or patterns of progression, have been described. Phenotypes use the past course of the disease in an attempt to predict the future course. They are important not only for prognosis but also for treatment decisions. Currently, the United States National Multiple Sclerosis Society and the Multiple Sclerosis International Federation, describes four types of MS (revised in 2013):[55][56][57] Environmental factors may play a role during childhood, with several studies finding that people who move to a different region of the world before the age of 15 acquire the new region's risk to MS. If migration takes place after age 15, however, the person retains the risk of their home country.[5][26] There is some evidence that the effect of moving may still apply to people older than 15.[5]

Lumbar puncture (spinal tap)

The Multiple Sclerosis Trust describes CIS as a single episode of demyelination, in which there is scarring or damage to the myelin sheath, the protective material that surrounds the nerve cells in the central nervous system, which includes the brain and spinal cord. Damage to the myelin sheath interferes with nerve impulses that travel from the brain to control bodily functions.A relationship between season of birth and MS lends support to this idea, with fewer people born in the northern hemisphere in November as compared to May being affected later in life.[33] If testing doesn’t show a high risk for MS, however, CIS symptoms could be a sign of another condition that needs attention, according to the National MS Society. That could include a viral infection, a serious vitamin B12 deficiency, exposure to toxic materials, or autoimmune conditions that cause inflammation of blood vessels.Atypical variants of MS have been described; these include tumefactive multiple sclerosis, Balo concentric sclerosis, Schilder's diffuse sclerosis, and Marburg multiple sclerosis. There is debate on whether they are MS variants or different diseases.[63] Some diseases previously considered MS variants like Devic's disease are now considered outside the MS spectrum.[64] Clinical data alone may be sufficient for a diagnosis of MS if an individual has had separate episodes of neurological symptoms characteristic of the disease.[49] In those who seek medical attention after only one attack, other testing is needed for the diagnosis. The most commonly used diagnostic tools are neuroimaging, analysis of cerebrospinal fluid and evoked potentials. Magnetic resonance imaging of the brain and spine may show areas of demyelination (lesions or plaques). Gadolinium can be administered intravenously as a contrast agent to highlight active plaques and, by elimination, demonstrate the existence of historical lesions not associated with symptoms at the moment of the evaluation.[49][50] Testing of cerebrospinal fluid obtained from a lumbar puncture can provide evidence of chronic inflammation in the central nervous system. The cerebrospinal fluid is tested for oligoclonal bands of IgG on electrophoresis, which are inflammation markers found in 75–85% of people with MS.[49][51] The nervous system in MS may respond less actively to stimulation of the optic nerve and sensory nerves due to demyelination of such pathways. These brain responses can be examined using visual- and sensory-evoked potentials.[52]

CIS progression to MS

  1. Multiple sclerosis behaves differently in children, taking more time to reach the progressive stage.[5] Nevertheless, they still reach it at a lower average age than adults usually do.[5]
  2. or, remissions and improvements.[10] The usual age of onset for the primary progressive subtype is later than of the relapsing-remitting subtype. It is similar to the age that secondary progressive usually begins in relapsing-remitting MS, around 40 years of age.[5]
  3. Talk to us about MS 0800 032 38 39 Call our free enquiry service Mon - Fri: 9am - 5pm
  4. Rates of MS appear to be increasing; this, however, may be explained simply by better diagnosis.[2] Studies on populational and geographical patterns have been common[39] and have led to a number of theories about the cause.[11][26][30]
  5. CIS and MS look different on an MRI. To confirm MS, doctors check for two or more damaged areas in separate and specific areas of your brain or on your spinal cord that happened at different times.

Lhermitte's sign (sometimes referred to as barber's chair syndrome) is a sudden sensation resembling an electric shock that passes down the back of your neck and into your spinal column and can radiate out to your fingers and toes. It is usually triggered by flexing your neck - bending your head down, chin towards chest - and is associated with lesions at the top of the spinal cord.A neurologist can also make a diagnosis of radiologically isolated syndrome (RIS). This is when someone who has not had any MS symptoms has had an MRI scan for another reason (for example following a trauma or if you experience migraines) and brain or spinal cord lesions compatible with MS have shown up in that scan. 

MS courses in the new revision are divided into active and non-active, and CIS, when is active on MRI, becomes a kind of RRMS (this, of course, must be retrospectively diagnosed after the CDMS conversion)[4] Clinically isolated syndrome (CIS) involves a single episode of neurological symptoms. Because it includes loss of myelin, it's similar to multiple sclerosis (MS). CIS can progress to become MS. There’s no blood test that can confirm or rule out CIS or MS. But blood tests play an important role in ruling out other conditions that present with similar symptoms.Multiple sclerosis can be difficult to diagnosis. A diagnosis typically requires multiple tests to rule out other conditions with similar symptoms.To make a diagnosis of MS, the neurologist is looking for evidence you have two or more areas of damaged myelin in different parts of your brain and/or spinal cord. This damage will need to have occurred at different points in time.

clinically isolated syndromes

Blood–brain barrier

As of 2020, multiple disease-modifying medications are approved by regulatory agencies for relapsing-remitting multiple sclerosis (RRMS). They are interferon beta-1a, interferon beta-1b,[70] glatiramer acetate, mitoxantrone, natalizumab,[71] fingolimod,[72] teriflunomide,[73][74] dimethyl fumarate,[75][76] alemtuzumab,[77][78] ocrelizumab,[79][80] siponimod,[80][81][82] cladribine,[80][83] and ozanimod.[84][85][86] Continue reading to learn more about the connection between CIS and MS, how the distinction is made, and what your next steps should be.Your primary care physician will probably refer you to a neurologist. Your complete medical history and discussion of your symptoms is the first step. Then, you’ll need a neurological exam, which could include checking your:Evoked potentials measure how your brain responds to sight, sound, or touch. About 30 percent of people with CIS have abnormal results to visual-evoked potentials.

Who gets CIS, and when?

Robert Carswell (1793–1857), a British professor of pathology, and Jean Cruveilhier (1791–1873), a French professor of pathologic anatomy, described and illustrated many of the disease's clinical details, but did not identify it as a separate disease.[143] Specifically, Carswell described the injuries he found as "a remarkable lesion of the spinal cord accompanied with atrophy".[5] Under the microscope, Swiss pathologist Georg Eduard Rindfleisch (1836–1908) noted in 1863 that the inflammation-associated lesions were distributed around blood vessels.[144][145] An episode of CIS could last from days to weeks, says Fred D. Lublin, MD, a neuroimmunologist, professor of neurology, and director of the Corinne Goldsmith Dickinson Center for MS at Mount Sinai Hospital in New York City. Clinically isolated syndrome (CIS) is one of the MS disease courses.CIS refers to a first episode of neurologic symptoms that lasts at least 24 hours and is caused by inflammation or demyelination (loss of the myelin that covers the nerve cells) in the central nervous system (CNS). CIS can be either monofocal or multifocal

A young woman called Halldora who lived in Iceland around 1200 suddenly lost her vision and mobility but, after praying to the saints, recovered them seven days after. Saint Lidwina of Schiedam (1380–1433), a Dutch nun, may be one of the first clearly identifiable people with MS. From the age of 16 until her death at 53, she had intermittent pain, weakness of the legs, and vision loss—symptoms typical of MS.[149] Both cases have led to the proposal of a "Viking gene" hypothesis for the dissemination of the disease.[150] In RRMS they are modestly effective at decreasing the number of attacks.[73] The interferons[70] and glatiramer acetate are first-line treatments[4] and are roughly equivalent, reducing relapses by approximately 30%.[91] Early-initiated long-term therapy is safe and improves outcomes.[92][93] Natalizumab reduces the relapse rate more than first-line agents; however, due to issues of adverse effects is a second-line agent reserved for those who do not respond to other treatments[4] or with severe disease.[91][71] Mitoxantrone, whose use is limited by severe adverse effects, is a third-line option for those who do not respond to other medications.[4] As of 2011[update], only one medication, mitoxantrone, has been approved for secondary progressive MS.[104] In this population tentative evidence supports mitoxantrone moderately slowing the progression of the disease and decreasing rates of relapses over two years.[105][106] The French neurologist Jean-Martin Charcot (1825–1893) was the first person to recognize multiple sclerosis as a distinct disease in 1868.[143] Summarizing previous reports and adding his own clinical and pathological observations, Charcot called the disease sclerose en plaques.

If you're at a higher risk of developing MS, your neurologist may give you the choice of taking a disease modifying drug (DMD).For serious symptoms such as optic neuritis, your doctor might prescribe high-dose steroid treatment. These steroids are given by infusion, but in some cases can be taken orally. Steroids can help you recover from symptoms faster, but they don’t affect your overall outlook.The 2010 revision of the McDonald criteria allows the diagnosis of MS with only one proved lesion (CIS). Therefore, the 2013 revision of the phenotypes for the disease course, consistently, included CIS as one of the clinical phenotypes of MS.[4] ByMarie SuszynskiMedically Reviewed by Farrokh Sohrabi, MDLast Updated: September 15, 2014Though CIS is an alarming diagnosis, the sooner it's diagnosed, the sooner you can learn more about your risk for MSHiya Images/CorbisSudden loss of vision in one eye. Numbness, tingling, and weakness in the legs. Slurred speech. The symptoms of clinically isolated syndrome (CIS) are alarming -- and knowing they could be the first signs of multiple sclerosis can make them even more disconcerting.As there's no conclusive way of knowing whether you will go on to develop MS after experiencing a clinically isolated syndrome, making a decision about whether to go on treatment or not can be difficult. There is the possibility that you might choose to have treatment when actually you would never go on to experience another episode. However you need to weigh this against the benefit that early treatment has in delaying the conversion to MS if your risk is high.

How is CIS different from MS?

The name multiple sclerosis refers to the scars (sclerae – better known as plaques or lesions) that form in the nervous system. These lesions most commonly affect the white matter in the optic nerve, brain stem, basal ganglia, and spinal cord, or white matter tracts close to the lateral ventricles.[5] The function of white matter cells is to carry signals between grey matter areas, where the processing is done, and the rest of the body. The peripheral nervous system is rarely involved.[8] Not everyone who experiences CIS goes on to develop MS, figures vary from 1 in 5 people up to 4 in 5, so it is possible that you may never have any further symptoms. It's difficult to predict who will go on to have further episodes, but MRI scans can give a good idea of your risk of going on to develop MS. The more areas of damage seen on an MRI scan at the time of the CIS, the higher your risk of developing MS in the future.The difference between the two conditions may be detectable through an MRI. If there’s evidence of only one episode, you probably have CIS. If images show multiple lesions and evidence of other episodes separated by space and time, you may have MS.Augustus Frederick d'Este (1794–1848), son of Prince Augustus Frederick, Duke of Sussex and Lady Augusta Murray and the grandson of George III of the United Kingdom, almost certainly had MS. D'Este left a detailed diary describing his 22 years living with the disease. His diary began in 1822 and ended in 1846, although it remained unknown until 1948. His symptoms began at age 28 with a sudden transient visual loss (amaurosis fugax) after the funeral of a friend. During his disease, he developed weakness of the legs, clumsiness of the hands, numbness, dizziness, bladder disturbances, and erectile dysfunction. In 1844, he began to use a wheelchair. Despite his illness, he kept an optimistic view of life.[151][152] Another early account of MS was kept by the British diarist W. N. P. Barbellion, nom-de-plume of Bruce Frederick Cummings (1889–1919), who maintained a detailed log of his diagnosis and struggle.[152] His diary was published in 1919 as The Journal of a Disappointed Man.[153]

The average life expectancy is 30 years from the start of the disease, which is 5 to 10 years less than that of unaffected people.[5] Almost 40% of people with MS reach the seventh decade of life.[140] Nevertheless, two-thirds of the deaths are directly related to the consequences of the disease.[5] Suicide is more common, while infections and other complications are especially dangerous for the more disabled.[5] Although most people lose the ability to walk before death, 90% are capable of independent walking at 10 years from onset, and 75% at 15 years.[141][needs update?] Monoclonal antibodies have also raised high levels of interest. As of 2012 alemtuzumab, daclizumab, and CD20 monoclonal antibodies such as rituximab[100], ocrelizumab and ofatumumab had all shown some benefit and were under study as potential treatments,[114] and the FDA approved ocrelizumab for relapsing and primary MS in March 2017.[162][89] Their use has also been accompanied by the appearance of potentially dangerous adverse effects, the most important of which being opportunistic infections.[154] Related to these investigations is the development of a test for JC virus antibodies, which might help to determine who is at greater risk of developing progressive multifocal leukoencephalopathy when taking natalizumab.[154] While monoclonal antibodies will probably have some role in the treatment of the disease in the future, it is believed that it will be small due to the risks associated with them.[154] The first attempt to establish a set of diagnostic criteria was also due to Charcot in 1868. He published what now is known as the "Charcot Triad", consisting in nystagmus, intention tremor, and telegraphic speech (scanning speech)[146] Charcot also observed cognition changes, describing his patients as having a "marked enfeeblement of the memory" and "conceptions that formed slowly".[17]

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MS is more common in people who live farther from the equator, although exceptions exist.[5][27] These exceptions include ethnic groups that are at low risk far from the equator such as the Samis, Amerindians, Canadian Hutterites, New Zealand Māori,[28] and Canada's Inuit,[2] as well as groups that have a relatively high risk close to the equator such as Sardinians,[2] inland Sicilians,[29] Palestinians, and Parsi.[28] The cause of this geographical pattern is not clear.[2] While the north–south gradient of incidence is decreasing,[27] as of 2010 it is still present.[2] The big question, of course, is this: Once you’ve had an episode of CIS, will you be diagnosed with MS?

AURAIn Multiple Sclerosis, Posture Problems Appear Linked to

Disease-modifying treatments

Of those who develop MS after CIS, a third will have little or no disability within 15 or 20 years, while half will have increasing disability related to MS, according to research published in 2012 in The Lancet Neurology.NewslettersSearchHealth TopicsWellnessFood & EatingDrugs & SupplementsNews & AlertsCoronavirus / COVID-19 Multiple SclerosisClinically Isolated Syndrome: Is It a Glimpse of MS to Come?When it comes to symptoms, CIS and MS look alike. The difference is in whether the symptoms come back and what shows up on an MRI.While the cause is unclear, the underlying mechanism is thought to be either destruction by the immune system or failure of the myelin-producing cells.[3] Proposed causes for this include genetics and environmental factors such as being triggered by a viral infection.[8][11] MS is usually diagnosed based on the presenting signs and symptoms and the results of supporting medical tests.[4] MS is a clinically defined entity with several atypical presentations. Some auto-antibodies have been found in atypical MS cases, giving birth to separate disease families and restricting the previously wider concept of MS. To be specific, MS involves the loss of oligodendrocytes, the cells responsible for creating and maintaining a fatty layer—known as the myelin sheath—which helps the neurons carry electrical signals (action potentials).[5] This results in a thinning or complete loss of myelin and, as the disease advances, the breakdown of the axons of neurons. When the myelin is lost, a neuron can no longer effectively conduct electrical signals.[8] A repair process, called remyelination, takes place in early phases of the disease, but the oligodendrocytes are unable to completely rebuild the cell's myelin sheath.[44] Repeated attacks lead to successively less effective remyelinations, until a scar-like plaque is built up around the damaged axons.[44] These scars are the origin of the symptoms and during an attack magnetic resonance imaging (MRI) often shows more than ten new plaques.[5] This could indicate that there are a number of lesions below which the brain is capable of repairing itself without producing noticeable consequences.[5] Another process involved in the creation of lesions is an abnormal increase in the number of astrocytes due to the destruction of nearby neurons.[5] A number of lesion patterns have been described.[45]

2 Infrared spectroscopy

How is CIS different from MS?

SubscribeWhat Is Clinically Isolated Syndrome and Will It Turn Into Multiple Sclerosis?Medically reviewed by Seunggu Han, MD on June 6, 2018 — Written by Ann PietrangeloVs. MSCauses and risk factorsDiagnosisProgression to MSTreatmentOutlook What is clinically isolated syndrome (CIS)?Clinically isolated syndrome (CIS) is an episode of neurologic symptoms. CIS involves demyelination in your central nervous system. That means you’ve lost some myelin, the coating that protects nerve cells.Research on neuroprotection and regenerative treatments, such as stem cell therapy, while of high importance, are in the early stages.[164] Likewise, there are not any effective treatments for the progressive variants of the disease. Many of the newest drugs as well as those under development are probably going to be evaluated as therapies for PPMS or SPMS.[154] Of these, MRI findings are the most useful tool to determine your risk of developing MS. Other strong predictors are being older at the time of your CIS, or if oligoclonal bands are detected in the cerebrospinal fluid.If the MRI didn’t find MS-like lesions, the chance of developing MS within a few years is about 20 percent.Whether you choose to take MS drugs or not, be sure to notify your doctor at the first sign of another episode.

Alternative treatments

Clinically isolated syndrome (CIS) is a first episode of neurological symptoms that lasts for at least 24 hours. Although some people never go on to experience further neurological symptoms, in others CIS can be the first sign of what may later turn out to be multiple sclerosis.Like MS, CIS is not directly inherited, and it is not contagious. CIS is two to three times more common in women than men. Seventy percent of people diagnosed with CIS are between the ages of 20 and 40 years (average 30 years) but people can develop CIS at older or younger ages.Fingolimod may give rise to hypertension and slowed heart rate, macular edema, elevated liver enzymes or a reduction in lymphocyte levels.[72][97] Tentative evidence supports the short-term safety of teriflunomide, with common side effects including: headaches, fatigue, nausea, hair loss, and limb pain.[73] There have also been reports of liver failure and PML with its use and it is dangerous for fetal development.[97] Most common side effects of dimethyl fumarate are flushing and gastrointestinal problems.[75][76][97] While dimethyl fumarate may lead to a reduction in the white blood cell count there were no reported cases of opportunistic infections during trials.[113][114] The next step is to consult with a neurologist experienced in treating CIS and MS. Before making treatment decisions, it might be wise to seek a second opinion.

Video: What causes CIS and who is more at risk?

How is CIS diagnosed?

Secondary progressive MS occurs in around 65% of those with initial relapsing-remitting MS, who eventually have progressive neurologic decline between acute attacks without any definite periods of remission.[5][10] Occasional relapses and minor remissions may appear.[10] The most common length of time between disease onset and conversion from relapsing-remitting to secondary progressive MS is 19 years.[62] Living with multiple sclerosis presents all sorts of challenges, both physical and mental. These are the comfort items that help MSers cope.The relative effectiveness of different treatments is unclear, as most have only been compared to placebo or a small number of other therapies.[101] Direct comparisons of interferons and glatiramer acetate indicate similar effects or only small differences in effects on relapse rate, disease progression and magnetic resonance imaging measures.[102] Alemtuzumab, natalizumab, and fingolimod may be more effective than other drugs in reducing relapses over the short term in people with RRMS.[103] Natalizumab and interferon beta-1a (Rebif) may reduce relapses compared to both placebo and interferon beta-1a (Avonex) while Interferon beta-1b (Betaseron), glatiramer acetate, and mitoxantrone may also prevent relapses.[101] Evidence on relative effectiveness in reducing disability progression is unclear.[101][103] All medications are associated with adverse effects that may influence their risk to benefit profiles.[101][103] Sometimes an earlier episode of symptoms, such as numbness can prove significant as it could suggest a previous episode of neurological symptoms which you may not have thought much of at the time. Evidence of a previous episode could lead to a diagnosis of MS.

How does CIS progress to MS?

What is Your Treatment Plan and Is It Helping Your MS?

What’s the outlook?

Video: CIS: Symptoms, Diagnosis, and Treatment

Clinically isolated syndrome (CIS) is one of the MS disease courses. CIS refers to a first episode of neurologic symptoms that lasts at least 24 hours and is caused by inflammation or demyelination (loss of the myelin that covers the nerve cells) in the central nervous system (CNS). CIS can be either monofocal or multifocal:Currently it is considered that the best predictor of future development of clinical multiple sclerosis is the number of T2 lesions visualized by magnetic resonance imaging during the CIS.[2] It is normal to evaluate diagnostic criteria against the "time to conversion to definite". Preliminary data suggests that mycophenolate mofetil, an anti-rejection immunosuppressant medication, might have benefits in multiple sclerosis. However the evidence is insufficient to determine the effects as an add‐on therapy for interferon beta-1a in people with RRMS.[161] So really, the term Benign MS is just an improper reference to Clinically Isolated Syndrome. CIS has a much more definite definition and is a medically accepted term that can actually be linked to research Optic neuritis is a condition in its own right and not everyone who experiences optic neuritis goes on to develop other symptoms of MS.

CIS is caused by damage to the covering of nerves in the central nervous system (CNS). Damage may occur in just one area of the brain or spinal cord (monofocal) resulting in a single symptom, such as optic neuritis which affects the eyes, or it may occur in several places (multifocal), which can lead to more symptoms, for example dizziness and bladder problems.There are a number of disease-modifying drugs used to treat MS. They’re designed to reduce the frequency and severity of flare-ups. In people with CIS, these medications can be used in the hope of delaying onset of MS.The most common test used is a scan of the brain and/or spinal cord using MRI. MRI can detect the tiny scars or lesions caused by demyelination which show up as little white patches on the scan image. Sometimes a dye called gadolinium is injected into a vein before your scan as it can help the radiologist and neurologist distinguish between active areas of inflammation and any older areas of scarring that might exist.

It can be helpful to understand both the benefits and the potential side effects associated with the disease modifying drugs and the need for long-term continuous treatment. Transverse myelitis occurs when there is damage affecting the spinal cord. The onset of symptoms may be sudden - developing over one to two hours, or more gradual - over one to two weeks. The area of the spinal cord which is damaged will determine what symptoms you experience and which parts of your body are affected. Common symptoms include muscle weakness, abnormal sensations in the toes and feet such as numbness or tingling, and bladder or bowel problems.

GATE Trial Supports Generic Glatiramer Acetate as an

CIS is caused by inflammation and damage to myelin, the protective fatty substance that surrounds nerve cells in your brain and spinal cord (the central nervous system). This damage (called demyelination) disrupts the way nerve messages are carried to and from the brain and results in the symptoms you experience. The reasons why this happens aren't known yet.There is no known cure for multiple sclerosis.[1] Treatments attempt to improve function after an attack and prevent new attacks.[8] Medications used to treat MS, while modestly effective, can have side effects and be poorly tolerated.[1] Physical therapy can help with people's ability to function.[1] Many people pursue alternative treatments, despite a lack of evidence of benefit.[12] The long-term outcome is difficult to predict, with good outcomes more often seen in women, those who develop the disease early in life, those with a relapsing course and those who initially experienced few attacks.[13] Life expectancy is on average 5 to 10 years lower than that of the unaffected population.[5] A clinically isolated syndrome (CIS) is a clinical situation of an individual's first neurological episode, caused by inflammation or demyelination of nerve tissue. An episode may be monofocal, in which symptoms present at a single site in the central nervous system, or multifocal, in which multiple sites exhibit symptoms. CIS with enough paraclinical evidence can be considered as a clinical stage of multiple sclerosis (MS). It can also be retrospectively diagnosed as a kind of MS when more evidence is available.

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There are a number of simple tests that a neurologist can carry out that can suggest, or rule out, a cause for your symptoms. These include checks on your movement, coordination, vision, balance, reflexes and other functions of the senses. Information from these tests can determine whether you might have CIS and where in your central nervous system damage has occurred.There is evidence that smokers with CIS have a higher risk of developing MS than non-smokers. So the best advice is to stop smoking if you are a smoker.Worried you have MS?We look at the early signs of MS and answer your most common questions and worries about the condition.According to the 2017 revisions to the diagnostic criteria for MS, the diagnosis of MS can be made when CIS is accompanied by MRI findings (old lesions or scars) that confirm that an earlier episode of damage occurred in a different location in the CNS. The new criteria also allows for the presence of oligoclonal bands in a person's cerebrospinal fluid to help make the diagnosis. As MRI technology becomes more advanced, it is likely that the diagnosis of MS will be made more quickly and there will be fewer people diagnosed with CIS. An accurate diagnosis at this time is important because people with a high risk of developing MS are encouraged to begin treatment with a disease-modifying therapy in order to delay or prevent a second neurologic episode and, therefore, the onset of MS. In addition, early treatment may minimize future disability caused by further inflammation and damage to nerve cells, which are sometimes silent (occurring without any noticeable symptoms). Several medications have a Food and Drug Administration (FDA) indication for CIS: Avonex®, Betaseron®, Extavia® and Mayzent®.

Multiple sclerosis is a disorder where your immune system is compromised and the protective coverings of nerve cells are being attacked. Learn how to…Clinically isolated syndrome (CIS) is the term used to describe your first episode of neurological symptoms that last for at least 24 hours and isn't caused by anything else - such as a fever or infection. CIS can be the first sign of what may subsequently turn out to be multiple sclerosis. You may never go on to experience further symptoms, but if an MRI scan shows several areas of damage (lesions) to your brain and/or spinal cord that are similar to those seen in MS then your chances of having further episodes, and ultimately a diagnosis of MS, are higher.After a spinal tap, your cerebrospinal fluid is analyzed to look for protein markers. If you have more than the normal amount, it may suggest increased risk of MS.The big difference is that CIS is a single episode while MS involves multiple episodes, or flare-ups.There are several historical accounts of people who probably had MS and lived before or shortly after the disease was described by Charcot.

Both CIS and MS involve damage to the myelin sheath. Inflammation causes the formation of lesions. These interrupt signals between your brain and the rest of the body.Conversations with your neurological team, asking questions and getting all the answers you need are vital.

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While diagnostic criteria are not expected to change in the near future, work to develop biomarkers that help with diagnosis and prediction of disease progression is ongoing.[154] New diagnostic methods that are being investigated include work with anti-myelin antibodies, and studies with serum and cerebrospinal fluid, but none of them has yielded reliably positive results.[170] One of the most common CIS symptoms is transverse myelitis, in which the spinal cord is affected, according to the National Institute of Neurological Disorders and Stroke. This leads to lower back pain, weakness, and sensations in the toes and feet, and could result in temporary partial paralysis.According to the society, both CIS and MS are more common in women and typically develop in people 20 to 40 years old.An MRI of your brain, neck, and spine is an effective way to detect lesions caused by demyelination. Dye injected into a vein can highlight areas of active inflammation. The contrast dye helps determine if this is your first episode or if you’ve had others.When the affected nerves are in the brainstem, where the brain connects to the spinal cord, symptoms may include nausea, vomiting, and double vision, the MS Trust reports. You may experience one symptom, such as vision problems, or more than one during a CIS episode.The expected future course of the disease depends on the subtype of the disease; the individual's sex, age, and initial symptoms; and the degree of disability the person has.[13] Female sex, relapsing-remitting subtype, optic neuritis or sensory symptoms at onset, few attacks in the initial years and especially early age at onset, are associated with a better course.[13][140]

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