Thymus histology and concomitant autoimmune diseases in Japanese patients with muscle‐specific receptor tyrosine kinase‐antibody‐positive myasthenia gravis

Background and purpose The differences in the characteristics of thymus histology, coexisting autoimmune diseases and related autoantibodies between anti‐muscle‐specific receptor tyrosine kinase ( M u SK )‐antibody ( A b)‐positive myasthenia gravis ( MG ) patients, and anti‐acetylcholine receptor ( AC h R )‐ A b‐positive MG patients are not clearly defined. Methods The types of thymus histology, coexisting autoimmune diseases and associated Abs...