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 6 MRI study of the left sciatic nerve, tibial nerve, and peroneal nerve. The left sciatic nerve and tibial nerve were swollen and thickened, while the left peroneal nerve was normal. (A, B) the left sciatic nerve; (C, D) the left stibial nerve; (E, F) the left peroneal nerve.