August 7, 2026 · Surgery · DOI: 10.1016/j.surg.2026.110437

Diagnostic performance of computed tomography in differentiating appendiceal diverticulitis from acute appendicitis

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The authors aimed to evaluate the diagnostic performance of computed tomography (CT) in distinguishing appendiceal diverticulitis from acute appendicitis. The study found that CT had moderate sensitivity (65%) and high specificity (98%) for diagnosing appendiceal diverticulitis, with improved performance in cases without periappendiceal abscess or perforation. This suggests that CT is a reliable diagnostic tool for identifying appendiceal diverticulitis in uncomplicated cases.

Yudai Aoki, Junichi Takamizawa, Hideo Miyake, Norihiro Yuasa

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