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Imaging of Bowel Ischemia

Imaging of Bowel Ischemia Acute bowel ischemia is a broad category of disease that includes acute mesenteric ischemia and acute colonic ischemia. These two entities differ in their pathogenesis but result in hypoxic injury that presents with nonspecific clinical findings and a wide range of imaging appearances. Multi-row detector computed tomography (CT) and computed tomography angiography (CTA) have supplanted conventional angiography as the test of choice for acute mesenteric ischemia. Routine portal venous CT is typically adequate for colonic ischemia as it is most commonly nonocclusive in etiology. Dual-energy computed tomography is a more recent advancement that can potentially offer improved conspicuity of differential bowel wall enhancement compared to conventional CT. Magnetic resonance angiography may be used as a secondary option to CTA in acute mesenteric ischemia in stable patients for whom iodinated contrast and ionizing radiation are a primary concern. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Current Radiology Reports Springer Journals

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References (43)

Publisher
Springer Journals
Copyright
Copyright © 2016 by Springer Science+Business Media New York
Subject
Medicine & Public Health; Imaging / Radiology
eISSN
2167-4825
DOI
10.1007/s40134-016-0158-8
Publisher site
See Article on Publisher Site

Abstract

Acute bowel ischemia is a broad category of disease that includes acute mesenteric ischemia and acute colonic ischemia. These two entities differ in their pathogenesis but result in hypoxic injury that presents with nonspecific clinical findings and a wide range of imaging appearances. Multi-row detector computed tomography (CT) and computed tomography angiography (CTA) have supplanted conventional angiography as the test of choice for acute mesenteric ischemia. Routine portal venous CT is typically adequate for colonic ischemia as it is most commonly nonocclusive in etiology. Dual-energy computed tomography is a more recent advancement that can potentially offer improved conspicuity of differential bowel wall enhancement compared to conventional CT. Magnetic resonance angiography may be used as a secondary option to CTA in acute mesenteric ischemia in stable patients for whom iodinated contrast and ionizing radiation are a primary concern.

Journal

Current Radiology ReportsSpringer Journals

Published: Mar 31, 2016

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