Coexistence of myasthenia gravis and Lambert–Eaton myasthenic syndrome in a small cell lung cancer patient: A case report

AbstractRationale:Myasthenia gravis (MG) and Lambert–Eaton myasthenic syndrome (LEMS) are both neuromuscular junction diseases, and some controversy exists whether the 2 diseases occur at the same time.Patient concerns:We report a case that a patient with presentation of acetylcholine receptor (AChR