Jantima TanboonKanjana RongsaManop PithukpakornKanokwan BoonyapisitChanin LimwongseTumtip SangruchiMahidol UniversityFaculty of Medicine, Siriraj Hospital, Mahidol University2018-11-092018-11-092014-01-01Case Reports in Neurology. Vol.6, No.1 (2014), 55-591662680X2-s2.0-84900482850https://repository.li.mahidol.ac.th/handle/20.500.14594/34512Distal myopathy with rimmed vacuoles (DMRV) is an autosomal recessive or sporadic early adult-onset myopathy caused by mutations in the UDP-N-acetylglucosamine 2-epimerase and N-acetylmannosamine kinase (GNE) gene. Characteristic pathologic features of DMRV are rimmed vacuoles on muscle biopsy and tubulofilamentous inclusion in ultrastructural study. Presence of inflammation in DMRV is unusual. We report a sporadic case of DMRV in a 40-year-old Thai man who presented with slowly progressive distal muscle weakness. Gene analysis revealed a compound heterozygous mutation of the GNE gene including a novel mutation c.1057A>G (p.K353E) and a known mutation c.2086G>A (p.V696M). The latter is the most common mutation in Thai DMRV patients. The muscle pathology was compatible with DMRV except for focal inflammation. © 2014 S. Karger AG, Basel.Mahidol UniversityMedicineArticleSCOPUS10.1159/000360730