09 February 2026
: Case report 
Successful Treatment of Multifocal Demyelinating Sensory-Motor Neuropathy (Lewis-Sumner Syndrome) With Rituximab: A Case Report
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
Figure 4 Nerve conduction studies at different follow-ups for the multifocal sensory-motor neuropathy. Arrow indicates the fourth episode of relapse. L – left; R – right; NCS – nerve conduction study; MCV – motor nerve conduction velocity; DML – distal motor latency; SCV – sensory nerve conduction velocity; SNAP – sensory nerve action potential amplitude.