Appendiceal diverticulitis is a condition of low prevalence that configures a clinical picture and findings imaging indistinguishable from acute appendicitis. Its pre-surgical diagnosis is practically impossible, becoming an intraoperative finding. he management of choice is appendectomy, given its association with neoplasms and high risk of perforation and mortality. The purpose of this article was to review the literature. scientist of this rare disease and present two cases of appendiceal diverticulitis.