Endometriotic Rectosigmoid Obstruction Presenting With a Frozen Pelvis-Mimicking Carcinoma

Vijay Naraynsingh, Seetharaman Hariharan, Dilip Dan, S Alexander
In: Journal of Pelvic Medicine and Surgery · 2009 · vol. 15(1) , pp. 29–31 · doi:10.1097/spv.0b013e31819b6730 · W2095091828
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⚙ AI-generated summary by gemini-2.5-flash-lite, 2026-06-13 ⓘ

This case report details a rectosigmoid endometriosis mimicking carcinoma, presenting as a frozen pelvis and initially treated with radio- and chemotherapy before surgical resection revealed the true diagnosis.

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This case report describes a patient with rectosigmoid endometriosis that presented as a frozen pelvis and was initially misdiagnosed as carcinoma. The condition proved unresectable during an emergency laparotomy, leading the medical team to administer radiotherapy and chemotherapy before a second surgery confirmed the endometriotic nature of the mass. The authors emphasize that a high index of suspicion is necessary to correctly diagnose this rare presentation and avoid inappropriate oncologic treatment. This paper is centrally about endometriosis — specifically deep infiltrating endometriosis causing bowel obstruction and mimicking malignancy.

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Abstract

In Brief Rectosigmoid endometriosis is a relatively rare condition and may commonly mimic carcinoma. We report a case presenting with frozen pelvis that was unresectable during an emergency laparotomy. Clinically and radiologically it was suspected to be carcinoma and the patient was subjected to radio- and chemotherapy. The lesion was resected during a second laparotomy and was found to be endometriotic mass. A high index of suspicion is necessary to diagnose this condition. A very high index of suspicion is crucial to diagnose recto-sigmoid endometriosis, which may mimic carcinoma and evade preoperative diagnosis.
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Case Report Endometriotic Rectosigmoid Obstruction Presenting With a Frozen Pelvis-Mimicking Carcinoma - Vijay Naraynsingh - Seetharaman Hariharan - Dilip Dan - Alexander Sinanan Journal of Pelvic Medicine and Surgery 15(1):p 29-31, January-February 2009. | DOI: 10.1097/SPV.0b013e31819b6730 Rectosigmoid endometriosis is a relatively rare condition and may commonly mimic carcinoma. We report a case presenting with frozen pelvis that was unresectable during an emergency laparotomy. Clinically and radiologically it was suspected to be carcinoma and the patient was subjected to radio- and chemotherapy. The lesion was resected during a second laparotomy and was found to be endometriotic mass. A high index of suspicion is necessary to diagnose this condition. A very high index of suspicion is crucial to diagnose recto-sigmoid endometriosis, which may mimic carcinoma and evade preoperative diagnosis. Copyright © 2009 Lippincott Williams & Wilkins, Inc.

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endometriosis

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Papers in the corpus that this work cites (lower rings, blue) and that cite this one (upper rings, green). Dot size scales with the paper's in-corpus citation count — bigger dot = more influential within the endo/adeno field. Click a dot to open that paper. Outer rings show 2-hop neighbours — papers reached through the immediate citers/citees. [ collapse to 1-hop ]

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