adult rhabdomyoma

adult rhabdomyoma

A rare, usually benign primary (extracardiac) striated muscle tumour (or tumours—multiple in 20% of cases) that arises in branchial arches III and IV of the head and neck (larynx, pharynx). It is more common in males > age 40.
Prognosis
May recur; 1:50 are malignant.