The prevalence of Lambert-Eaton myasthenic syndrome (LEMS) in Japan is similar to that of other countries, affecting approximately 2.7 out of every one million people in the country. That is according to a study, “Nationwide survey of Lambert-Eaton myasthenic syndrome in Japan,” published in the journal…

Muscle responses to low-frequency repetitive nerve stimulation in people with Lambert-Eaton myasthenic syndrome (LEMS) were different from those of patients with myasthenia gravis (MG), a study reported. Because LEMS and MG are both autoimmune diseases marked by muscle weakness and other overlapping symptoms, this test may help distinguish…

An elderly woman treated with three courses of pembrolizumab — known by its brand name Keytruda — for a type of lung cancer, called non-small cell lung cancer, had her symptoms of Lambert-Eaton myasthenic syndrome (LEMS) return after more than 20 years, according to a report from Japan.