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Updated: Jun 11, 2026

Multimodality Diagnosis of Mesenteric Ischemia
Published on: July 21, 2023
Current and emerging techniques in gastrointestinal imaging.
S E McSweeney1, P M O'Donoghue, K Jhaveri
1Joint Department of Medical Imaging, University Health Network and Mount Sinai Hospital, University of Toronto, 610 University Ave, Toronto, ON, M5G 2M9, Canada.
This review explores advanced gastrointestinal (GI) imaging techniques for small bowel, colon, rectum, liver, and pancreas. It highlights emerging methods in CT and MRI for diagnosing GI diseases.
Area of Science:
- Gastrointestinal (GI) Imaging
- Abdominal Radiology
- Medical Imaging Techniques
Background:
- Gastrointestinal imaging is crucial for diagnosing a wide range of diseases.
- Advancements in imaging technology offer new diagnostic and prognostic capabilities.
- Current imaging practices require continuous updates to incorporate emerging techniques.
Purpose of the Study:
- To review current and emerging gastrointestinal imaging techniques.
- To focus on challenging areas including the small bowel, appendix, colon, rectum, liver, and pancreas.
- To highlight the diagnostic and prognostic value of these advanced imaging modalities.
Main Methods:
- Review of multidetector computed tomography (MDCT) and magnetic resonance imaging (MRI) for small bowel imaging.
- Evaluation of CT and MR colonography, including CT virtual colonoscopy (CTVC) and MR colonography (MRC).
- Discussion of imaging modalities for rectal cancer, liver, and pancreas, including ultrasound, PET, and contrast-enhanced techniques.
Main Results:
- MDCT and MRI provide valuable cross-sectional imaging for the small bowel and appendix.
- CTVC and MRC offer insights into colon and rectal pathologies, with CTVC discussed for screening.
- Advanced techniques in liver and pancreas imaging, including contrast-enhanced MDCT and MRI, are crucial for disease evaluation.
Conclusions:
- Emerging imaging techniques are continuously advancing the diagnosis and prognosis of GI diseases.
- A comprehensive understanding of these techniques is essential for effective clinical practice.
- Continued research and application of novel imaging modalities will further improve patient outcomes.
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