1700 Expanding the phenotypic spectrum of progressive encephalomyelitis with rigidity and myoclonus syndrome (PERMS) associated with glycine receptor antibody: clinical and laboratory study of 20 patients

Abstract

Glycine receptor antibodies (GlyR-Ab) were first detected in a patient with a very rare condition, progressive encephalomyelitis with rigidity and myoclonus (PERM; Hutchinson et al 2008), but a few recent...