10消化道重复畸形摘要.ppt

Colonic duplication Rare 16-30% Constipation or obstruction Barium enema may demonstrate a communication or a compression Associated genitourinary and lumbosacralspine abnormalities should be noticed Colonic duplication Treatment: The priciple aim is to end up with two colons draining through one anal orifice Rectal duplications Presentation of the cysts depend on: a: size b: fistula c: infection d: ulceration e: malignancy Rectal duplication Treatment: surgical excision A transanal or transcoccygeal approach can be employed Meckel‘s Diverticulum The first known description of this disease was in 1598 by Hildanus. Meckel‘s Diverticulum Results from failure of the proximal duct to obliterate Abnormal regression of the vitelline duct can be result in *cysts * fibrous bans linking the intestine to the abdominal wall * umbilical sinuses *complete persistence as an omphloileal fistular Meckel‘s Diverticulum bleeding----most common obstruction inflammation perforation others Meckel‘s Diverticulum difficult to diagnosis different operation Diagnosis and Treatment 11th Floor of 2nd building Duplication of the alimentary tract Huimin Jia Department of Pediatric Surgery Duplication of the alimentary tract are rare spherical or tubular structures which can occur anywhere in the tract from mouth to anus. Some of the anomalies were also called “enterogenous cysts”. Introduction Embryology The etiology of GI duplications has still not been established. Several theory about the occurrence of duplication: recanalization failure theory split notochord theory abnormal blood supply theory 囊肿型 Pathology 管状型 Pathology Pathology Duplications are hollow structure that involve the side of the associated gastrointestinal (GI) tract. They tend to share a common muscular wall and blood supply with its mature bowel, although each has its own separate lining. Duplications containing