What is the role of CT scanning in the diagnosis of intestinal perforation?

Updated: Jul 24, 2020
  • Author: Samy A Azer, MD, PhD, MPH; Chief Editor: John Geibel, MD, MSc, DSc, AGAF  more...
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Computed tomography (CT) of the abdomen can be a valuable investigative tool, providing differential morphologic information not obtainable with plain radiography or ultrasonography.

CT scans may provide evidence of localized perforation (eg, perforated duodenal ulcer) with leakage in the area of the gallbladder and right flank with or without free air being apparent. They may show inflammatory changes in the pericolonic soft tissues and focal abscess due to diverticulitis (may mimic perforated colonic carcinoma). CT scans may not provide definitive radiographic evidence of perforated Meckel diverticulitis.

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