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Dr Tobin and colleagues from the Mayo Clinic in the US and from Ghent in Belgium recently presented a paper at the ECTRIMS (European Committee for Treatment and Research in Multiple Sclerosis) conference. The paper is called "Defining a clinical, radiological and pathological signature of CLIPPERS (chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids)" and that it was presented at a meeting primarily associated with Multiple Sclerosis emphasises that these brain disorders shouldn't be considered in isolation. The work concerns efforts for a better working definition of CLIPPERS to aid with diagnosis and involves finding the key things which CLIPPERS patients have in common. In this still relatively small group of 34 subjects, eleven were excluded because of various findings which conflicted with what is known about CLIPPERS. This shows the difficulties of the whole diagnostic process for CLIPPERS.
One thing I found interesting, is that of the 23 subjects remaining, gait ataxia was the most common symptom (21/23) with diplopia (double vision), although the second most common symptom, lagging behind (13/23). In my case, diplopia was the first symptom with ataxia problems following, first with balance problems and later on with coordination and speech problems.
Another interesting thing is that all 11 patients in the study who stopped steroid treatment suffered symptom recurrence; it is not stated whether these patients were on other immuno-suppressant medication or not. I have managed to stay off steroids while taking Azathioprine but it is not clear whether I am just lucky or whether there is something which distinguishes my disease from others. I should avoid the temptation to read too much into this paper though, as conference presentations are usually early work in very short format which are followed up later by more substantial journal publications. Clearly though, this shows there are on-going collaborative efforts between researchers in the US and in Europe to move towards a better understanding of how CLIPPERS presents in patients.
Read other articles in this series at Living With CLIPPERS.
Living With CLIPPERS by Bill Crum is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License.