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Hernia of cecum and ascending colon through the foramen of Winslow

By Carlos A. Puig, Joseph B. Lillegard, James E. Fisher and Henry J. Schiller

Abstract

AbstractINTRODUCTIONInternal hernias through the foramen of Winslow are rare events and constitute 8% of internal hernias but only 0.1% of all abdominal hernias.PRESENTATION OF CASEA 62-year-old man presented with upper abdominal pain, distention and vomiting, and was shown on CT scan to have the right colon and cecum herniating into the lesser sac through the foramen of Winslow. This diagnosis was confirmed at laparotomy as well as a midgut volvulus and right hemicolectomy was performed because of ischemic changes of the cecum.DISCUSSIONSix developmental abnormalities may result in internal herniation of bowel contents in the abdomen: (i) abnormal retroperitoneal fixation of the mesentery resulting in anomalous positioning of the intestine; (ii) incomplete mesenteric surfaces with the presence of abnormal opening through which the intestine herniates, (iii) abnormally large internal foramina or fossae (e.g. foramen of Winslow); (iv) abnormally long small-bowel mesentery; (v) an elongated right hepatic lobe thought to guide bowel into the foramen of Winslow, and (vi) persistence of the ascending mesocolon allowing marked mobility of the right colon.CONCLUSIONWe believe that hypermobile cecum was responsible for the internal herniation through the foramen of Winslow and that this served as the lead point allowing for the midgut volvulus. There is no consensus on the surgical management of internal hernias through the Foramen of Winslow when the herniated contents are grossly viable. The literature in this regard is scarce and surgical decision making is based on surgeon preference and the viability of the herniated intraabdominal contents

Publisher: The Authors. Published by Elsevier Ltd.
Year: 2013
DOI identifier: 10.1016/j.ijscr.2013.07.014
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