Endoscopic management of adult-type rhabdomyoma of the glottis: case report and review of the literature.

habdomyomas are benign mesenchymal tumors composed f striated mature skeletal muscle cells, being no more than % of all striated muscle tumors,1 distinguished in cardiac nd extracardiac subtypes. Cardiac rhabdomyomas occur enerally in children and are considered hamartomatous esions, often associated with phacomatoses, such as tuberus sclerosis,1,2 and hamartomas of the kidney and other rgans.1 Extracardiac rhabdomyomas are clinically and morhologically subdivided in three subtypes: the vaginal, fetal nd adult variants. The vaginal-type is a rare tumor-like olypoid mass, found in the vagina and vulva of middleged women. The fetal-type, with the subordinated juvenile habdomyoma,3 is prevalent in head and neck areas in chilren. Adult extracardiac rhabdomyomas present generally s unifocal head and neck tumors in middle-aged patients,4,5 ultifocal in 14--26% of cases.6 Adult rhabdomyomas occur