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2021 Dec 22

Am Surg

Incidental Findings of Appendiceal Diverticulitis Presenting as Acute Appendicitis.


Souferi B, Sheppard K, Onayemi AO, Davis JM
Am Surg. 2021 Dec 22:31348211065125.
PMID: 34937429.


Diverticulosis of the appendix (DA) is a rare pathological finding that clinically imitates acute appendicitis and is most commonly found in adult males with chronic abdominal pain. It has a higher rate of perforation compared to acute appendicitis (84% vs 12%, P<0.01), and is consequently associated with a higher rate of mortality. Appendiceal diverticulitis has been found to have a significant association with incidental appendiceal neoplasms, therefore elective prophylactic appendectomy is recommended to prevent the risk of complications and to rule out the possibility of a coexisting neoplasm. Meticulous gross examination in addition to thorough histological examination of the entire appendectomy specimen by pathologists is essential in order to identify diverticula. We present two female patients with signs and symptoms consistent with acute appendicitis, they were found to have appendiceal diverticulitis on pathologic evaluation.