We read with interest the article by Dr Caress and associates about a patient presenting with ocular myasthenic features and positivity for antibodies to a muscle-specific kinase (MuSK).1 The diagnosis of myasthenia gravis in this case hinged on the demonstration of elevated serologic levels for anti-MuSK antibody, which, nevertheless, is not a technique readily available in every center.
Chan AYK, Liu DTL. Bread-and-Butter in Diagnosis of Myasthenia Gravis. Arch Neurol. 2005;62(12):1939. doi:10.1001/archneur.62.12.1939-a