Imaging of the Small Bowel and Colon, An Issue of Radiologic Clinics of North America

1st Edition, Volume 63-3 - April 17, 2025
Imprint: Elsevier
Editors: Kevin J. Chang, Shannon P. Sheedy
Language: English
Hardback ISBN:
9 7 8 - 0 - 4 4 3 - 3 1 6 3 0 - 2
eBook ISBN:
9 7 8 - 0 - 4 4 3 - 3 1 6 3 1 - 9

In this issue of Radiologic Clinics, guest editors Drs. Shannon P. Sheedy and Kevin J. Chang bring their considerable expertise to the topic of Imaging of the Small Bowel and Colon… Read more

Imaging of the Small Bowel and Colon, An Issue of Radiologic Clinics of North America

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In this issue of Radiologic Clinics, guest editors Drs. Shannon P. Sheedy and Kevin J. Chang bring their considerable expertise to the topic of Imaging of the Small Bowel and Colon. Top experts focus mainly on MRI and CT modalities, with specific articles on small bowel tumors, Crohn’s disease, rectal MRI, anal MRI, CT colonography, traumatic injuries, iatrogenic injuries, and MR defecography, as well as artificial intelligence applications in the GI tract.

Cover image
Title page
Table of Contents
Copyright
Contributors
CME Accreditation Page
Forthcoming Issues
Preface
Multimodality Imaging of Small Bowel Crohn Disease
Key points
Introduction
Imaging technique
Imaging findings
Imaging treatment response
Quantitative techniques
Future directions
Summary
Clinics care points
Imaging of the J-pouch
Key points
Introduction
Imaging technique
Pouch anatomy
Imaging findings and pathology: J-pouch complications
Early pouch complications
Late pouch complications
Summary
Clinics care points
Imaging of the Small Bowel Tumors
Key points
Introduction
Imaging techniques
Endoscopic evaluation
Histology
Small bowel tumors
Summary
Computed Tomography Imaging for Suspected Gastrointestinal Bleeding and Bowel Ischemia
Key points
Background
Differential diagnosis
Definitions
Diagnostic approach
Computed tomography imaging
Other imaging modalities
Endoscopy
Workup of nonvariceal upper gastrointestinal bleeding
Lower gastrointestinal bleeding
Background of mesenteric ischemia
Computed tomography assessment of mesenteric ischemia
Acute mesenteric ischemia
Special categories of acute ischemia
Summary
Clinics care points
Imaging of Blunt Traumatic Bowel and Mesenteric Injuries
Key points
Introduction
Computed tomography
Pathophysiology
Dignostic signs of bowel and colonic injury
Highly specific diagnostic signs of bowel and colonic injury
Less specific diagnostic signs of bowel and colonic injury
Special considerations
Diagnostic signs of mesenteric injury
Diagnostic pitfalls
Summary
Clinics care points
Imaging of Iatrogenic Injuries to the Bowel
Key points
Introduction
Procedural injury
Non procedural iatrogenic injury
Summary
Clinics care points
Computed Tomography Colonography: 2025 Update
Key points
Introduction
Bowel preparation, scanning techniques, and dose reduction methods
Image display
Reporting and classification
Tumor staging and integration of advanced techniques
Cost-effectiveness and reimbursement
Summary
Clinics care points
Rectal MR Imaging
Key points
Introduction
Imaging technique
Image interpretation—anatomy and pathology, initial staging, and restaging
Clinics care points
MR Imaging of Anal Cancer
Key points
Introduction
Anatomy
MR imaging technique
Baseline staging
Anal cancer versus rectal cancer T-staging and N-staging
Follow-up assessment after treatment
Summary and future directions
Clinics care points
MR Imaging of Perianal Fistulas: A Review of Fundamentals, Complications, and Post-Therapy Imaging
Key points
Introduction
Perianal MR imaging technique
Normal anatomy
Classification systems
Challenges and complications
Disease-specific considerations
Quantitative disease scoring systems for perianal disease
Imaging following therapy
Summary
Clinics care points
Magnetic Resonance Defecography for Obstructed Defecation
Key points
Introduction
Imaging technique and normal anatomy
Interpretation of magnetic resonance defecography: imaging findings and pathology
Clinical applications
Diagnostic criteria
Summary
Clinics care points
Artificial Intelligence in Gastrointestinal Imaging: Advances and Applications
Key points
Introduction
Applications in acute gastrointestinal conditions
Applications in inflammatory bowel disease
Applications in oncology—rectal cancer
General non-interpretive applications
Key factors in clinical adoption
Summary

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Imaging of the Small Bowel and Colon, An Issue of Radiologic Clinics of North America

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Kevin J. Chang

Shannon P. Sheedy

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