Sigmoid colon endometriotic mass

Hamad Hadi Al-Qahtani, Hamad H Al-Qahtani, Haitham Alfalah, Reem A Al-Salamah, Adel A Elshair
Saudi medical journal · 2015 · vol. 36(5) , pp. 630–633 · doi:10.15537/smj.2015.5.11268 · PMID:25935187 · W2083336845
article OA: diamond CC0 ⤵ 6 in-corpus citations
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⚙ AI-generated summary by claude@2026-06, 2026-06-10 ⓘ

This case report describes a 32-year-old female with large bowel obstruction caused by a sigmoid colon endometriotic mass, requiring sigmiodectomy and colostomy.

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⚙ AI-generated deep summary by claude@2026-06, 2026-06-10 ⓘ

This case report describes a 32-year-old woman presenting with diffuse abdominal pain, constipation, progressive distention, and vomiting, and imaging/endoscopic evaluation showed a non-ulcerating sigmoid colon soft-tissue mass causing complete large bowel obstruction. Plain radiographs and CT demonstrated markedly dilated large bowel up to the sigmoid colon with a sigmoid mass, while flexible sigmoidoscopy confirmed near/complete obstruction that prevented scope advancement; the authors proceeded with exploratory laparotomy on the provisional diagnosis of sigmoid tumor, performing sigmoidectomy with end colostomy (Hartmann’s procedure). Histopathology revealed endometrial glands and stroma within the muscularis propria of the sigmoid mass, and the patient later received hormonal therapy and colostomy closure. The main limitation is that, as a single case report, it cannot establish diagnostic accuracy of any preoperative workup. This paper is centrally about endometriosis — it specifically reports sigmoid colon endometriotic mass causing complete large bowel obstruction, confirmed by histopathology.

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Abstract

Large bowel obstruction is a rare complication of gastrointestinal endometriosis. A 32-year-old female patient presented to the emergency department with complaints of diffuse abdominal pain and constipation for 10 days with progressive abdominal distention and vomiting. Plain abdominal x-ray showed grossly dilated large bowel up to the sigmoid colon with no gas in the rectum. Abdominal computed tomography revealed hugely dilated large bowel up to the sigmoid colon, with sigmoid soft tissue mass. Flexible sigmoidoscopy showed a non-ulcerating sigmoid mass, with complete obstruction of the sigmoid colon, which impeded the further advancement of the scope. She underwent exploratory laparotomy with provisional diagnosis of complete large bowel obstruction due to sigmoid tumor. Sigmiodectomy with end colostomy was performed. Histopathology revealed endometrial glands with stroma in muscularis properia of the sigmoid colon mass. Endometriosis should be considered in women of reproductive age presenting with symptoms of large bowel obstruction.

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Condition tags

endometriosis

MeSH descriptors

Colonic Diseases Colon, Sigmoid Colon, Sigmoid Endometriosis Intestinal Obstruction Adult Colonic Diseases Colonic Diseases Diagnosis, Differential Endometriosis Endometriosis Female Humans Intestinal Obstruction Intestinal Obstruction Sigmoid Neoplasms Sigmoid Neoplasms

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References (10)

Cited by (6)

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