title: Piriform sinus fistula--the role of endoscopy in its management.
authors: Department of Surgery, Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, N.T.
authors: K K
authors: KK
authors: Liu
authors: C A
authors: CA
authors: van Hasselt
mesh_terms: D002648:Child; D004724:Endoscopy; D005402:Fistula / Q000151:congenital / Q000175:diagnosis / Q000628:therapy*; D006801:Humans; D008297:Male; D010608:Pharyngeal Diseases / Q000151:congenital / Q000175:diagnosis / Q000628:therapy*