title: Malignant retrorectal teratoma presenting as an infected perianal sinus.
abstract: Retrorectal teratomas are rare tumours arising in the presacral space. We report a case of malignant retrorectal teratoma which presented as an infected perianal sinus. The patient was treated with abdominoperineal resection.
authors.affiliation: Department of Surgical Gastroenterology and Pathology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India.
authors.forename: S P
authors.initials: SP
authors.lastname: Haribhakti
authors.forename: C G
authors.initials: CG
authors.lastname: Choudhary
authors.forename: S S
authors.initials: SS
authors.lastname: Sikora
mesh_terms: D001004:Anus Diseases / Q000209:etiology*; D006801:Humans; D007239:Infections / Q000209:etiology*; D008297:Male; D008875:Middle Aged; D012004:Rectal Neoplasms / Q000150:complications*; D012445:Sacrococcygeal Region; D013724:Teratoma / Q000150:complications*