File:Closed loop obstruction due to transmesenteric hernia (Radiopaedia 92249-110127 B 32).jpg

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Summary:

Description
  • Radiopaedia case ID: 92249
  • Image ID: 55704908
  • Image stack position: 32/95
  • Plane projection: Coronal
  • Aux modality: C+ portal venous phase
  • Study findings: Dilated loops of proximal small bowel. The transition point anterior to the inferior hepatic margin is actually a small aperture to a transmesenteric hernia sac. The hernia sac contains several dilated small bowel loops in a radial configuration of a closed loop obstruction, with decreased wall enhancement and mesenteric vessel edema - findings highly suspicious for ischemic bowel. The loops of small bowel distal to the efferent loop from the hernia aperture are collapsed, as is the entire colon. Distal to said hernia, there is a loop of collapsed small bowel in an umbilical hernia with no sign of strangulation. There are some gas bubbles in the bowel content in the closed loop, and from the point of the umbilical hernia, what little content there is in the distal ileum is fecalized. Small amount of free intraperitoneal fluid - perihepatic, perisplenic, and pelvic.The gallbladder has been removed. Mildly dilated intrahepatic bile ducts.Large lipoma in the proximal ascending colon. Few diverticuli in the distal descending colon and proximal sigmoid colon.
  • Modality: CT
  • System: Gastrointestinal
  • Findings: NGT tip projected onto the gastric bubble.Dilated loops of small bowel up to 3.6 cm in diameter, mostly in the upper and left abdomen.Colon devoid of gas and content, except perhaps in the hepatic flexure.Surgical clips projected in right upper abdomen - status post cholecystectomy, most probably. Impression: small bowel obstruction.
Date Published: 17th Aug 2021
Source https://radiopaedia.org/cases/closed-loop-obstruction-due-to-transmesenteric-hernia
Author Yair Glick
Permission
(Permission-reusing-text)		 http://creativecommons.org/licenses/by-nc-sa/3.0/

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