title: Adenocarcinoma cell invasion of an obturator artery aneurysm.
abstract: Classic teaching implies that arterial walls are a resistance to tumour invasion. We report a case of tumour cell infiltration of an obturator artery aneurysm following an abdomino-perineal excision of rectum.
authors.affiliation: Leicester Royal Infirmary, Leicester.
authors.forename: D J
authors.initials: DJ
authors.lastname: Scott
authors.forename: J P
authors.initials: JP
authors.lastname: Neoptolemos
authors.forename: R
authors.initials: R
authors.lastname: Windle
mesh_terms: D000230:Adenocarcinoma / Q000473:pathology*; D000368:Aged; D000783:Aneurysm / Q000473:pathology*; D001158:Arteries; D006801:Humans; D008297:Male; D009366:Neoplasm Seeding; D010388:Pelvis / Q000098:blood supply*; D013848:Thigh / Q000098:blood supply