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Related Experiment Videos

Acute gastrointestinal bleeding: contrast-enhanced MDCT.

W Yoon1, Y Y Jeong, J K Kim

  • 1Department of Radiology, Chonnam National University Hospital, Chonnam National University Medical School, 8 Hak-dong, Dong-gu, Gwangju, 501-757, South Korea. radyoon@chonnam.ac.kr

Abdominal Imaging
|December 8, 2005
PubMed
Summary

Multidetector row computed tomography (MDCT) effectively identifies active gastrointestinal (GI) bleeding by detecting extravasated contrast material. This advanced CT imaging also reveals underlying causes of GI hemorrhage, such as tumors.

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Area of Science:

  • Radiology
  • Gastroenterology
  • Medical Imaging

Background:

  • Acute gastrointestinal (GI) bleeding presents a diagnostic challenge.
  • Multidetector row computed tomography (MDCT) has emerged as a potential imaging modality for evaluating acute GI bleeding.

Purpose of the Study:

  • To evaluate the diagnostic utility of arterial phase MDCT in detecting and localizing acute GI bleeding.
  • To assess the ability of MDCT to identify morphologic changes associated with GI bleeding causes.

Main Methods:

  • Contrast-enhanced arterial phase MDCT imaging was performed on patients with acute GI bleeding.
  • Analysis focused on identifying extravasated contrast material within the bowel lumen.
  • Additional findings such as bowel dilatation and hematoma were assessed.

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Main Results:

  • Active GI bleeding was identified as focal high attenuation (extravasated contrast) on arterial phase MDCT.
  • Focal bowel dilatation and acute hematoma were noted as additional suggestive findings.
  • MDCT demonstrated morphologic changes in the GI tract, potentially indicating bleeding sources like tumors.

Conclusions:

  • Arterial phase contrast-enhanced MDCT is a rapid, noninvasive, and accurate method for detecting and localizing acute GI bleeding.
  • MDCT offers a promising diagnostic option for patients with acute GI bleeding, aiding in the identification of underlying pathologies.