Duodenum: MDCT of acute conditions
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Updated: May 5, 2026

Multimodality Diagnosis of Mesenteric Ischemia
Published on: July 21, 2023
M T Heller1, K A Haarer1, J N Itri1
1Department of Radiology, Division of Abdominal Imaging, University of Pittsburgh Medical Center, Pittsburgh, PA, USA.
Abstract:
Multidetector computed tomography (MDCT) is the technique of choice for evaluating patients with acute abdominal pain. As the jejunum, ileum, and colon comprise the majority of the gastrointestinal tract, radiologists may potentially neglect the duodenum. However, the duodenum is a complex structure that can be affected by both intraperitoneal and extraperitoneal processes due to its central location and proximity to numerous upper abdominal structures. In this review, the MDCT findings of various congenital, inflammatory, traumatic, infectious, vascular, and miscellaneous conditions that affect the duodenum are discussed.
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