Appendiceal Endometriosis: A case Report and Literature Review

Joseph Ifeanyichukwu Ikechebelu, I V Onyiaorah, J. Ugboaja
In: Nigerian Medical Journal · 2008 · vol. 49(2) · doi:10.4314/nmj.v49i2.51963 · W1503834688
article OA: green CC0 ⤵ 2 in-corpus citations
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⚙ AI-generated summary by gemini-2.5-flash-lite, 2026-06-09 ⓘ

This case report describes appendiceal endometriosis presenting as acute appendicitis in a patient with uterine fibroids and ovarian cysts, and recommends routine appendix evaluation during pelvic surgery.

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⚙ AI-generated deep summary by claude@2026-06, 2026-06-09 · read from full text ⓘ

The paper reports a single 36-year-old nulliparous woman with known endometriosis undergoing myomectomy for large uterine fibroids who developed acute appendicitis due to endometriosis of the appendix. Using clinical evaluation and histology after appendectomy (along with myomectomy and right ovarian cystectomy for coexisting “chocolate cyst” and pelvic endometrial deposits), the authors found endometrial deposits within an edematous appendiceal wall. The main limitation is that it is a case report plus literature review, with no systematic experimental comparison beyond cited prior reports. This paper is centrally about endometriosis — specifically appendiceal endometriosis presenting as acute appendicitis in the context of endometriosis/endo-adenomyosis-related pelvic disease, though it does not discuss adenomyosis.

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Abstract

Appendiceal endometriosis is a very rare and usually asymptomatic condiction, but can result in severe complications such as intestinal perforation, massive gastrointestinal bleeding or intussusception. We report a case of endometriosis of the appendix presenting as acute appendicitis. The patient was a 36 year old nulliparouswomanwhowas scheduled formyomectomy for 20 weeks sized uterine firbroids. She however developed a right ovarian chocolate cyst, pelvic endometrial deposits and multiple uterine fibroids. Myomectomy and right ovarian cystectomywas done in addition to appendectomy. Histological examination revealed endometrial depositswithin an oedematous wall of the appendix and a diagnosis of endometroisis of the appendix causing acute appendicitis was made.We considered the relevant literature on appendiceal endometroisis and its association with endometrioma. We recommend routine evaluation of the appendix during pelvic surgery especially surgery for endometriosis. Keywords: Appendiceal endometroisis
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Abstract

Appendiceal endometriosis is a very rare and usually asymptomatic condiction, but can result in severe complications such as intestinal perforation, massive gastrointestinal bleeding or intussusception. We report a case of endometriosis of the appendix presenting as acute appendicitis. The patient was a 36 year old nulliparouswomanwhowas scheduled formyomectomy for 20 weeks sized uterine firbroids. She however developed a right ovarian chocolate cyst, pelvic endometrial deposits and multiple uterine fibroids. Myomectomy and right ovarian cystectomywas done in addition to appendectomy. Histological examination revealed endometrial depositswithin an oedematous wall of the appendix and a diagnosis of endometroisis of the appendix causing acute appendicitis was made.We considered the relevant literature on appendiceal endometroisis and its association with endometrioma. We recommend routine evaluation of the appendix during pelvic surgery especially surgery for endometriosis.

Keywords

Appendiceal endometroisis

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Condition tags

endometriosisendometrioma

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last seen: 2026-06-10T17:14:06.276822+00:00
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