Suspected Adult-Onset Congenital Myasthenic Syndrome Associated With a Heterozygous CHRND Variant in a Patient With Seropositive Rheumatoid Arthritis: A Case Report
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BACKGROUND Congenital myasthenic syndrome (CMS) is a clinically and genetically heterogeneous disorder of neuromuscular transmission, with more than 35 associated genes. Although CMS typically presents at birth or in early childhood, adult-onset forms are incr... ...
