title: Posterior tracheal wall diverticula-an unexpected finding.
abstract: Two cases of asymptomatic posterior tracheal wall diverticula, one single and one multiple, found unexpectedly at laryngectomy are described. The embryonal development and pathogenesis of tracheal abnormalities are discussed, and possible clinical implications speculated upon.
authors.affiliation: Department of Otolaryngology, North Riding Infirmary, Middlesbrough, UK.
authors.forename: M M
authors.initials: MM
authors.lastname: Collins
authors.forename: R G
authors.initials: RG
authors.lastname: Wight
mesh_terms: D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000150:complications; D004240:Diverticulum / Q000150:complications / Q000151:congenital* / Q000473:pathology; D005260:Female; D006801:Humans; D007822:Laryngeal Neoplasms / Q000150:complications; D008297:Male; D008875:Middle Aged; D014133:Tracheal Diseases / Q000150:complications / Q000151:congenital* / Q000473:pathology