title: Pyriform fossa carcinoma in South African Negro patients.
abstract: Seven patients with pyriform fossa carcinoma who presented at Baragwanath Hospital during the period 1973-1976 are discussed. The value of positive contrast studies with special reference to laryngography is emphasized and the results are reviewed.
mesh_terms: D001741:Black or African American; D000368:Aged; D044383:Black People; D002294:Carcinoma, Squamous Cell / Q000000981:diagnostic imaging / Q000628:therapy; D006801:Humans; D007822:Laryngeal Neoplasms / Q000000981:diagnostic imaging / Q000628:therapy; D008297:Male; D008875:Middle Aged; D011859:Radiography; D013019:South Africa