RHABDOMYOSARCOMA OF HYPOPHARYNX

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Abstract
THE PRESENCE of tumors of mesodermal origin in the head and neck is not unusual. However, a rhabdomyosarcoma is unusual if one is to search the literature for case reports. These tumors are few in number and have been reported primarily in the tongue, cheek, palate, tonsil, nose, and nasal septum. The presence of a rhabdomyosarcoma in the hypopharynx seems unusual enough to warrant its addition to the literature. The rhabdomyosarcoma is a highly malignant tumor which spreads by local infiltration and distant metastases but rarely involves any of the regional lymph nodes, although one case reported by Davis and Hare had regional lymph-node involvement.5 It is a malignant tumor which is composed in large part of striated muscle, usually of embryonal type, and sometimes contains immature muscle cells (myoblasts). There is a tendency to recurrence which is greater than average. The tumor is quite rare and usually affects

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