Successful Treatment of Multifocal Demyelinating Sensory-Motor Neuropathy (Lewis-Sumner Syndrome) With Rituximab: A Case Report

09 February 2026 : Case report China

Challenging differential diagnosis, Unusual or unexpected effect of treatment, Rare disease

Mengcui Gui^{BCEF 1,2}, Jing Lin^{BF 1,2}, Yue Li

^{B 1,2}, Bo Chen^{B 1,2}, Bitao Bu^{AG 1,2}, Zhijun Li^{AFG 1,2*}

DOI: 10.12659/AJCR.950084

Am J Case Rep 2026; 27:e950084

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Figure 3 MRI study of lumbosacral plexus. A small patch of high signal on T2-weighted MRI sequences in the left L5 nerve root exit zone.

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