Endometriosis of the appendix with decidual polyp formation: a rare cause of acute appendicitis during pregnancy
Case report
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⤵ 9 in-corpus citations
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This case report describes an appendectomy performed for acute appendicitis in a pregnant patient, revealing endometriosis with a decidual polyp as a rare cause of obstruction.
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Abstract
We report a case of a 28-year-old female, Grava 2, Para I, Ab. 0, who presented acute abdominal pain on the 21st week of her gestation. A diagnosis of acute appendicitis was entertained and an appendectomy performed. The pathologic specimen revealed an inflamed appendix with endometriosis and a marked decidual reaction. A decidual polyp, which occluded most of the appendiceal lumen, is proposed as a rare cause of acute appendicitis during pregnancy.
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Cited by (9)
- Ectopic decidua of the appendix: a case report 2021
- Endometriosis in pregnancy 2020
- Obstetrical complications of endometriosis, particularly deep endometriosis 2017
- Endometrial decidualization: a rare cause of acute appendicitis during pregnancy 2016
- A systematic review on endometriosis during pregnancy: diagnosis, misdiagnosis, complications and outcomes 2015
- Can pregnancy impose a higher risk of perforation in patients with appendiceal endometriosis? 2008
- Appendiceal endometriosis presenting as acute appendicitis during pregnancy 2007
- Endometriosis apendicular como causa de síndrome abdominal agudo en la mujer: presentación de dos casos y revisión de la literatura 2000
- Development of dysplastic mucinous epithelium from endometriosis of the appendix 1999
Source provenance
- europepmc
- last seen: 2026-10-16T06:09:50.462052+00:00
- openalex
- last seen: 2026-06-04T00:00:01.174412+00:00
- pubmed
- last seen: 2026-10-08T21:59:43.143194+00:00
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