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Acute colitis: differential diagnosis using multidetector CT.

L Plastaras1, L Vuitton1, N Badet2

  • 1Department of Gastroenterology, University Hospital, 3 Boulevard Fleming, 25030 Besançon, France.

Clinical Radiology
|December 20, 2014
PubMed
Summary
This summary is machine-generated.

Multidetector CT (MDCT) aids in diagnosing acute colitis causes. Specific CT signs help differentiate between inflammatory bowel disease, infection, and ischemia.

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Area of Science:

  • Radiology
  • Gastroenterology
  • Abdominal Imaging

Background:

  • Acute colitis presents a diagnostic challenge.
  • Determining the underlying etiology is crucial for effective treatment.

Purpose of the Study:

  • To evaluate the effectiveness of multidetector CT (MDCT) in identifying the causes of acute colitis.
  • To correlate specific MDCT findings with etiological diagnoses.

Main Methods:

  • Retrospective analysis of 105 patients with acute colitis who underwent 64-MDCT.
  • Blinded review of MDCT images to identify key signs.
  • Correlation of CT findings with confirmed etiological diagnoses.

Main Results:

  • MDCT identified characteristic signs for inflammatory bowel disease (comb sign, enlarged lymph nodes, small bowel involvement), infectious colitis (empty colon sign, absence of fat stranding/comb sign), and ischemic colitis (fat stranding, discontinuous distribution).
  • Multivariate analysis confirmed independent predictors for each colitis type.
  • MDCT findings were significantly associated with the final diagnosis for each etiology.

Conclusions:

  • MDCT offers valuable imaging features for differentiating the causes of acute colitis.
  • Specific CT signs can guide etiological diagnosis, improving patient management.