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Updated: Mar 30, 2026

Multimodality Diagnosis of Mesenteric Ischemia
Published on: July 21, 2023
Radiological Evaluation of Bowel Ischemia
Harpreet S Dhatt1, Spencer C Behr1, Aaron Miracle1
1Department of Radiology and Biomedical Imaging, University of California San Francisco, 505 Parnassus Avenue, San Francisco, CA 94143-0628, USA.
Computed tomography (CT) aids in diagnosing intestinal ischemia, a condition of reduced bowel blood flow. This review covers CT findings for arterial, venous, and nonocclusive ischemia, crucial for timely intervention.
Area of Science:
- Radiology
- Gastroenterology
- Vascular Surgery
Background:
- Intestinal ischemia, characterized by insufficient blood flow to the bowel, presents with nonspecific clinical signs.
- Computed tomography (CT) is a valuable imaging modality for diagnosing intestinal ischemia in appropriate clinical contexts.
- Prompt diagnosis and intervention are critical due to the potentially catastrophic nature of intestinal ischemia.
Purpose of the Study:
- To provide a comprehensive review of the computed tomography (CT) diagnosis of intestinal ischemia.
- To elucidate the CT findings associated with arterial, venous, and nonocclusive forms of intestinal ischemia.
- To discuss the relevant vascular anatomy, pathophysiology, imaging techniques, and differential diagnoses.
Main Methods:
- Review of computed tomography (CT) findings in intestinal ischemia.
- Discussion of vascular anatomy and pathophysiology relevant to intestinal ischemia.
- Analysis of key and ancillary radiological findings on CT.
Main Results:
- CT findings can be highly suggestive of intestinal ischemia when correlated with the clinical setting.
- Specific CT features aid in differentiating between arterial, venous, and nonocclusive causes of ischemia.
- Understanding CT techniques is crucial for optimal imaging and diagnosis.
Conclusions:
- CT plays a pivotal role in the diagnosis of various types of intestinal ischemia.
- Radiological findings on CT, combined with clinical information, facilitate accurate diagnosis.
- This review offers a guide to CT interpretation for intestinal ischemia, aiding in patient management.
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