Munenori Oyama, Marie-Therese Holzer, Yuko Ohnuki, Yoshihiko Saito, Yukako Nishimori, Shingo Suzuki, Takashi Shiina, Sarah Leonard-Louis, Olivier Benveniste, Udo Schneider, Werner Stenzel, Ichizo Nishino, Shigeaki Suzuki, Akinori Uruha
OBJECTIVE: Characteristics of myositis with anti-Ku antibodies are poorly understood. The purpose of this study was to elucidate the pathologic features of myositis associated with anti-Ku antibodies, compared with immune-mediated necrotizing myopathy (IMNM) with anti-signal recognition particle (SRP) and anti-3-hydroxy-3-methylglutaryl-coenzyme A reductase (HMGCR) antibodies, in muscle biopsy-oriented registration cohorts in Japan and Germany. METHODS: We performed a retrospective pathology review of patients with anti-Ku myositis samples diagnosed in the Japanese and German cohorts...
April 23, 2024: Neurology