File:Acute superior mesenteric artery occlusion (Radiopaedia 43926-47418 Axial C+ portal venous phase 5).png

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Acute_superior_mesenteric_artery_occlusion_(Radiopaedia_43926-47418_Axial_C+_portal_venous_phase_5).png ‎(512 × 512 pixels, file size: 110 KB, MIME type: image/png)

Summary:

Description
  • Radiopaedia case ID: 43926
  • Image ID: 20855879
  • Image stack position: 5/74
  • Plane projection: Axial
  • Aux modality: C+ portal venous phase
  • Study description: CT Abdomen and pelvis
  • Modality: CT
  • System: Gastrointestinal
  • Findings: There is absent opacification of the superior mesenteric artery from approximately 3.5 cm distal to its origin consistent with superior mesenteric artery occlusion/thrombosis. The superior mesenteric and portal veins are quite small in size and there is opacification of the hepatic arteries. No intramural, mesenteric or portal venous gas to suggest bowel infarction. No distended loops of bowel to suggest obstruction, however, the small bowel loops are mildly thick-walled. There is colonic diverticulosis but no evidence of acute florid diverticulitis. The appendix is not visualized. No free or loculated intra-abdominal fluid collection and no free intraperitoneal gas. There is atherosclerosis in the abdominal aorta, splanchnic and iliac arteries. The liver has a heterogeneous enhancement pattern which may be in part due to the phase of the study. The gallbladder is absent and surgical clips in the gallbladder fossa consistent with the previous cholecystectomy. The pancreas is atrophic. The spleen, adrenal glands and kidneys are normal. No urolithiasis or hydronephrosis. A dislodged surgical clip is noted inferior to the right lobe of the liver posteriorly. No para-aortic lymphadenopathy. There is severe degenerative spondylosis throughout the lumbar spine with a grade 1 spondylolisthesis in the lower lumbar spine region. No destructive skeletal lesions. There is quite extensive atelectasis and ground glass density in the lower lobes associated with interlobular septal thickening and cardiomegaly is noted. The appearance suggests acute left ventricular failure.
Date Published: 6th May 2016
Source https://radiopaedia.org/cases/acute-superior-mesenteric-artery-occlusion-3
Author Melbourne Uni Radiology Masters
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(Permission-reusing-text)		 http://creativecommons.org/licenses/by-nc-sa/3.0/

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