• Simona Papi, Francesca Pecchini, and Roberta Gelmini.
• Ann Ital Chir. 2014 Apr 7; 85 (ePub).

IntroductionStump appendicitis is a rare but important complication that can occour after an open or laparoscopic appendectomy. Although it represents a recognized serious condition that should not be overlooked, it is not often considered by surgeons within the differential diagnoses faced with a patient presenting right iliac fossa abdominal pain, particularly those who present a previous history of appendectomy.Material Of StudyA comprehensive review of English literature was performed and 87 cases of stump appendicitis were identified. Each case was charted based on 10 variables and data were analyzed. One original case of stump appendicitis after open appendectomy treated at our institution is also described and taken as a model.DiscussionSeveral factors may contribute to the etiology of stump appendicitis, mainly related to the length of the residual tissue after appendectomy. A delay in diagnosis, possibly misled by a previous history of appendectomy, represents a risk of complications and possible stump perforation. The imaging studies, especially CT scan, seem to be helpful tools in getting the earliest possible diagnosis.ConclusionSurgeons should be aware of the occurrence of this rare but dangerous entity, in order to avoid a delay in diagnosis and in the appropriate therapeutic choice. We want to emphasize also the technical recommendations to be respected in course of appendectomy.Key WordsAppendectomy, Appendicular residue, Diagnosis, Stump appendicitis.

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