title: Intestinal obstruction in the terminal ileum caused by an anomalous congenital vascular band between the mesoappendix and the mesentery: report of a case.
abstract: We report a case of intestinal obstruction caused by a congenital abnormal vascular band in a 17-year-old boy. The patient was admitted with acute colicky abdominal pain, and an emergency laparotomy revealed that the ileum was strangulated by a fibrous band with vessels about 2 mm in diameter and 7 cm in length, extending from the antemesenterium of the terminal ileum to the mesoappendix. The affected intestine was resected with the band and the appendix. Histologically, the fibrous band was composed of loose connective tissue containing arteries, veins, and nerve fibers, suggesting that it was congenital and originated from a remnant of the ventral mesentery in the embryonic period. There have been few reports of intestinal obstruction being caused by a congenital vascular band, especially in patients beyond the pediatric age group.
authors.affiliation: Department of Surgery, Anjo-Kosei Hospital, Anjo, Japan.
authors.forename: Atsuyuki
authors.initials: A
authors.lastname: Maeda
authors.forename: Shumpei
authors.initials: S
authors.lastname: Yokoi
authors.forename: Takao
authors.initials: T
authors.lastname: Kunou
authors.forename: Shinji
authors.initials: S
authors.lastname: Tsuboi
authors.forename: Noriji
authors.initials: N
authors.lastname: Niinomi
authors.forename: Minoru
authors.initials: M
authors.lastname: Horisawa
authors.forename: Etsuro
authors.initials: E
authors.lastname: Bando
authors.forename: Katsuhiko
authors.initials: K
authors.lastname: Uesaka
mesh_terms: D015746:Abdominal Pain / Q000209:etiology; D000293:Adolescent; D001065:Appendix / Q000002:abnormalities; D003238:Connective Tissue / Q000002:abnormalities; D006801:Humans; D007077:Ileal Diseases / Q000209:etiology*; D007415:Intestinal Obstruction / Q000209:etiology* / Q000601:surgery; D008297:Male; D008643:Mesentery / Q000002:abnormalities*