Journal
MUSCLE & NERVE
Volume 47, Issue 2, Pages 292-296Publisher
WILEY
DOI: 10.1002/mus.23629
Keywords
anti-MAG antibodies neuropathy; CIDP; cyclophosphamide; DADS; fludarabine; polyneuropathy
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Funding
- Michael D. Rothman CIDP research fund
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Introduction: Distal acquired demyelinating symmetric polyneuropathy (DADS) is proposed as a distinct entity from classic chronic inflammatory demyelinating polyneuropathy (CIDP). Methods: We report a 58-year-old woman with DADS that progressed to a severe case of classic CIDP. Results: She had distal numbness and paresthesias, minimal distal weakness and impaired vibratory sensation. She had anti-MAG antibodies, negative Western blot, and lacked a monoclonal gammopathy. There were prolonged distal motor latencies. She remained stable for 6 years until developing proximal and distal weakness. Nerve conduction studies showed multiple conduction blocks. She developed quadriparesis despite first-line treatment for CIDP. She was started on cyclophosphamide and fludarabine. Twenty-five months after receiving chemotherapy, she had only mild signs of neuropathy off all immunotherapy. Conclusions: DADS may progress to classic CIDP and is unlikely to be a separate disorder. Fludarabine and cyclophosphamide may be effective for refractory CIDP. Muscle Nerve 47: 292-296, 2013
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