Abstract:
:Lewis-Sumner syndrome (LSS) is considered a variant of chronic inflammatory demyelinating polyneuropathy (CIDP), which is more frequently described with exclusive upper limb involvement. The diagnosis of LSS is clinical and electrophysiological. However, these are not always obvious and in view of its rarity, the diagnosis may be missed and patients denied effective immunomodulatory therapy. We herein describe the magnetic resonance imaging (MRI) findings in a series of five consecutive patients with a clinical diagnosis of LSS, using T2 STIR (Short Tau Inversion recovery) images without contrast. We demonstrated hyperintensity with or without hypertrophy of cervical roots and/or brachial plexus on the affected side and/or controlaterally which aided diagnostic confirmation. This helped therapeutic decision making regarding immunotherapy in all cases. MR imaging of the cervical spine/brachial plexus with T2 STIR may be helpful in suspected cases of LSS as it represents a very useful additional diagnostic tool.
journal_name
J Neurol Scijournal_title
Journal of the neurological sciencesauthors
Rajabally YA,Knopp MJ,Martin-Lamb D,Morlese Jdoi
10.1016/j.jns.2014.04.033subject
Has Abstractpub_date
2014-07-15 00:00:00pages
182-5issue
1-2eissn
0022-510Xissn
1878-5883pii
S0022-510X(14)00269-Xjournal_volume
342pub_type
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journal_title:Journal of the neurological sciences
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