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Eur Radiol. 2012 Jun;22(6):1159-66. doi: 10.1007/s00330-011-2374-1. Epub 2012 Jan 22.

The role of capsule endoscopy after negative CT enterography in patients with obscure gastrointestinal bleeding.

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Department of Internal Medicine and Institute of Gastroenterology, Yonsei University College of Medicine, 250 Seongsanno, Seodaemun-gu, Seoul 120-752, South Korea.



The aim of the present study was to evaluate the role of capsule endoscopy in patients with obscure gastrointestinal bleeding (OGIB) after negative computed tomographic (CT) enterography.


We retrospectively included 30 patients with OGIB who received capsule endoscopy after negative CT enterography. The median age of the patients was 60 years, and 60% of patients were male. The median follow-up duration was 8 months. Overt bleeding was 60%, and occult bleeding was 40%.


Based on capsule endoscopy results, a definitive diagnosis was made for 17 patients (57%): ulcer in nine patients (30%), active bleeding with no identifiable cause in five (17%), angiodysplasia in two (7%) and Dieulafoy's lesion in one (3%). Two patients with jejunal ulcers were diagnosed with Crohn's disease. Seven patients (41%) with positive capsule endoscopy received double balloon enteroscopy and two patients (12%) received steroid treatment for Crohn's disease. Patients with overt bleeding, a previous history of bleeding, or who received large amounts of blood transfusions were more likely to show positive capsule endoscopy.


Capsule endoscopy showed high diagnostic yields in patients with OGIB after negative CT enterography and may help to provide further therapeutic plans for patients with OGIB and negative CT enterography.


• CT enterography has been widely used in evaluating obscure gastrointestinal bleeding (OGIB). • Capsule endoscopy showed high diagnostic yield for OGIB after negative CT enterography. • Negative CT enterography does not exclude important causes of small bowel bleeding. • Most lesions missed at CT-enterography are flat and can be detected by capsule endoscopy.

[Indexed for MEDLINE]

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