Appendicular endometriosis: a case report

Priyanka Bagdi, S. Niranjani
In: International Journal of Reproduction, Contraception, Obstetrics and Gynecology · 2021 · vol. 10(2) , pp. 794 · doi:10.18203/2320-1770.ijrcog20210347 · W3126317995
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⚙ AI-generated summary by claude@2026-06, 2026-06-07 ⓘ

This case report describes appendicular endometriosis in a reproductive-age woman presenting with pelvic endometriosis and an enlarged appendix, who experienced symptom resolution after appendectomy.

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⚙ AI-generated deep summary by claude@2026-06, 2026-06-07 · read from full text ⓘ

This case report describes a reproductive-age woman with chronic pelvic symptoms in whom appendicular (appendix) endometriosis was identified in the setting of pelvic endometriosis plus an enlarged appendix, leading to appendectomy. After surgery, abdominal symptoms were completely suppressed, consistent with prior reports cited by the authors, and the authors emphasize that definitive diagnosis required microscopic examination because appendicular endometriosis is rare and usually not diagnosed preoperatively. The paper explicitly limits its conclusions to a single case and notes that it “should always be taken into account” when evaluating young women with recurrent pain, infertility history, and pelvic endometriosis. This paper is centrally about endometriosis — specifically appendicular endometriosis presenting in relation to appendiceal pathology and chronic pelvic pain.

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Abstract

Endometriosis is an estrogen-dependent inflammatory disease that affects 8 to 10% of women at reproductive age, characterized by the presence of endometrial glands and stroma outside the uterine cavity. In our case we are presenting a case report of a reproductive age group woman with appendicular endometriosis, because of the presence of pelvic endometriosis combined with an enlarged appendix, the choice was appendectomy, with complete suppression of abdominal symptoms after the surgery, a fact also reported by other authors. We concluded that endometriosis of the appendix is rare and almost never diagnosed before the surgery, with the definitive diagnosis obtained through microscopic examination. However, it should always be taken into account for the diagnosis of chronic pelvic pain, especially in young women complaining of recurrent pain, history of infertility and pelvic endometriosis.
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Appendicular endometriosis: a case report DOI: https://doi.org/10.18203/2320-1770.ijrcog20210347Keywords: Endometriosis, Appendix, Chronic pelvic pain, Powder burn, Gun-shot lesionsAbstract Endometriosis is an estrogen-dependent inflammatory disease that affects 8 to 10% of women at reproductive age, characterized by the presence of endometrial glands and stroma outside the uterine cavity. In our case we are presenting a case report of a reproductive age group woman with appendicular endometriosis, because of the presence of pelvic endometriosis combined with an enlarged appendix, the choice was appendectomy, with complete suppression of abdominal symptoms after the surgery, a fact also reported by other authors. We concluded that endometriosis of the appendix is rare and almost never diagnosed before the surgery, with the definitive diagnosis obtained through microscopic examination. However, it should always be taken into account for the diagnosis of chronic pelvic pain, especially in young women complaining of recurrent pain, history of infertility and pelvic endometriosis. Metrics References Bulun SE. Endometriosis. N Engl J Med. 2009;360(3):268-79. Podgaec S, Gonçalves MO, Klajner S, Abrão MS. Epigastric pain relating to menses can be a symptom of bowel endometriosis. Sao Paulo Med J. 2008;126(4):242-4. Khoo JJ, Ismail MS, Tiu CC. Endometriosis of the appendix presenting as acute appendicitis. Singapore Med J. 2004;45(9):435-6. Hasegawa T, Yoshida K, Matsui K. Endometriosis of the Appendix Resulting in Perforated Appendicitis. Case Rep Gastroenterol. 2007;1(1):27-31. Ijaz S, Lidder S, Mohamid W, Carter M, Thompson H. Intussusception of the appendix secondary to endometriosis: a case report. J Med Case Reports. 2008;2:12. Krairy GA. Endometriosis of the appendix: a trap for the urwary. Saudi J Gastroenterol. 2005;11(1):45-7. Tumay V, Ozturk E, Ozturk H, Yilmazlar T. Appendiceal endometriosis mimicking acute appendicitis. Acta Chir Belg. 2006;106(6):712-3. Gustofson RL, Kim N, Liu S, Stratton P. Endometriosis and the appendix: a case series and comprehensive review of the literature. FertilSteril. 2006;86(2):298-303. Al Oulaqi NS, Hefny AF, Joshi S, Salim K, Abu-Zidan FM. Endometriosis of the Appendix. Afr Health Sci. 2008;8(3):196-8. DrimanDKm, Melega DE, Vilos GA, Plewes EA. Mucocele of the appendix secondary to endometriosis. Report of two cases, one with localized pseudomyxoma peritonei. Am J Clin Pathol. 2000;113(6):860-4. Tez M, Akgül O, Ertan T, Göçmen E, Bilgin A, Han O. Endometriosis of the appendix. Turk J Gastroenterol. 2006;17(3):250-1. Sagae EU, Lopasso F, Abrão MS, Cavalli N, Rodrigues JJG. Endometriose do tratogastrintestinal - correlaçõesclínicas e laparoscópicas. Rev bras Coloproct. 2007;27(4):423-31. Chang-Hun L, Dong-Hoon S, Jun-Woo L. Obstructive mucocele of the appendix secondary to endometriosis - a case report. Korean J Pathol. 2004;38(6):419-22. Flores I, Abreu S, Abac S, Fourquet J, Laboy J, Ríos-Bedoya C. Self-reported prevalence of endometriosis and its symptoms among Puerto Rican women. Int J Gynaecol Obstet. 2008;100(3):257-61. Nisolle M, Pasleau F, Foidart JM. Extragenital endometriosis. J Gynecol Obstet Biol Reprod (Paris). 2007;36(2):173-8. Snyder TE, Selanders JR. Incidental appendectomy - yes or no? A retrospective case study and review of the literature. Infect Dis Obstet Gynecol. 1998;6(1):30-7. Jones AE, Phillips AW, Jarvis JR, Sargen K. The value of routine histopathological examination of appendicectomy specimens. BMC Surg. 2007;7:17. Stegmann BJ, Sinaii N, Liu S, Segars J, Merino M, Nieman LK, et al. Using location, color, size, and depth to characterize and identify endometriosis lesions in a cohort of 133 women. Fertil Steril. 2008;89(6):1632-6. Green Top Guidelines No. 2006. Available at: https://www.rcog.org.uk/en/guidelines-research-services/guidelines/gtg25/. Accessed on 01 November, 2020.

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endometriosischronic_pelvic_paininfertility

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