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Acute Perforated Diverticulitis: Assessment With Multidetector Computed Tomography.

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Multidetector row computed tomography (MDCT) is crucial for diagnosing colonic diverticulitis and its complications. This imaging technique accurately identifies perforation sites and helps differentiate diverticulitis from colon cancer for effective patient management.

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Area of Science:

  • Radiology
  • Gastroenterology

Background:

  • Colonic diverticulitis is prevalent in Western populations.
  • Complicated diverticulitis involves extraluminal air, abscess, peritonitis, obstruction, or fistulas.

Purpose of the Study:

  • To highlight the role of multidetector row computed tomography (MDCT) in diagnosing and staging colonic diverticulitis and its complications.
  • To emphasize MDCT's accuracy in identifying perforation and differentiating diverticulitis from colon cancer.

Main Methods:

  • Utilizing MDCT for diagnosis and staging of colonic diverticulitis.
  • Identifying direct signs of perforation (focal bowel wall discontinuity, extraluminal gas/contrast).
  • Recognizing indirect signs (bowel wall thickening, enhancement, fat stranding, abscess).

Main Results:

  • MDCT accurately diagnoses diverticulitis and its complications.
  • MDCT identifies perforation sites in approximately 85% of cases.
  • MDCT effectively differentiates complicated diverticulitis from colon cancer.

Conclusions:

  • MDCT is the preferred imaging modality for colonic diverticulitis and complications.
  • MDCT aids in accurate differential diagnosis and guides patient management.
  • CT-guided classification helps distinguish mild from severe diverticulitis, informing treatment decisions like percutaneous drainage for large abscesses.