Lambert-eaton myasthenic syndrome: a harbinger to transitional cell carcinoma of the urinary bladder.

A 72-year-old man developed Lambert-Eaton myasthenic syndrome (LEMS) with typical electrodiagnostic findings and elevated serum antibodies to the P/Q-type voltage-gated calcium channels. Two years after diagnosis, he had transitional cell carcinoma of the bladder (TCCB), There was no evidence of small cell lung cancer (SCLC) 5,5 years after the onset of the symptoms. In this article I review the association of LEMS with cancer other than SCLC, and discuss the paraneoplastic characteristics of TCCB.