心外横纹肌瘤是罕见的良性肿瘤,常发生于头颈部.自1897年～1988年共68例见诸于文献,其中31例发生于口腔及唇,3例发生于喉,发生于腭扁桃体仅1例。本文1例系发生于成人右脾扁桃体横纹肌戒,现报告如下。患者,男,60岁。因咽异物感2月余来院就诊。 Extramyocardial rhabdomyoma is a rare benign tumor that often occurs in the head and neck. A total of 68 cases were documented in the literature from 1897 to 1988, 31 of which occurred in the mouth and lips, 3 in the throat, and in the palatine tonsils. Only 1 case. One case of this article occurred in the adult right-thormental tonsillar striated muscle ring, as reported below. Patient, male, 60 years old. Excessive pharyngeal foreign body came to the hospital for more than 2 months.