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Small-Bowel Angioedema During Screening Computed Tomography Due to Intravenous Contrast Material

Park, Sung Won MD*; Bae, In Young MD*; Eun, Hyo Won MD*; Park, Hye Won MD; Choe, Jae Won MD

Journal of Computer Assisted Tomography: September-October 2011 - Volume 35 - Issue 5 - p 549-552
doi: 10.1097/RCT.0b013e318224247e
Abdominal Imaging

We describe patients with isolated small-bowel angioedema caused by allergic reactions to intravenous contrast media. Computed tomography (CT) revealed circumferential thickening of the walls of the duodenum or jejunum. Follow-up small-bowel follow-through, small-bowel endoscopy, and CT showed normalized small-bowel loops. Transient findings of circumferential thickening of the small-bowel walls on CT suggest isolated small-bowel angioedema.

From the Departments of *Radiology and †Gastroenterology, Health Promotion Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.

Received for publication May 5, 2011; accepted May 12, 2011.

Reprints: Sung Won Park, MD, Health Promotion Center, Department of Radiology, Asan Medical Center, University of Ulsan, College of Medicine, 388-1 Pungnap 2-dong, Songpa-gu, Seoul 138-736, South Korea (e-mail:

The authors have no conflict of interest.

© 2011 Lippincott Williams & Wilkins, Inc.