A case of rectal bleeding caused by digestive endometriosis resembling colon cancer
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A 42-year-old woman with rectal bleeding presented with sigmoid colon thickening and narrowing resembling colon cancer, but biopsies were nondiagnostic.
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Abstract
A 42-year-old unmarried, nulliparous woman presented at our hospital with rectal bleeding. The patient had had iron deficiency anemia in the past. She had normal, regular menses with mild dysmenorrhea and had not taken hormonal drugs. Her physical examination was unremarkable. Colonoscopy revealed widespread polypoid mucosal thickening and luminal narrowing, along with erythema and edema, in the sigmoid colon. It was not possible to pass the endoscope beyond the lesion ([Fig. 1]). Multiple endoscopic biopsies were taken, but histopathologic examination was nondiagnostic. An abdominal computed tomography (CT) scan revealed eccentric thickening of the wall of the sigmoid colon ([Fig. 2]).
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Cites (3)
- EXTRAPELVIC ENDOMETRIOSIS 1997
- Role of EUS and EUS-guided FNA in the diagnosis of symptomatic rectosigmoid endometriosis 2006
- A case of rectal bleeding caused by digestive endometriosis resembling colon cancer 2014
Cited by (4)
- Terminal ilial intussusception in an adult due to endometriosis 2016
- A case of rectal bleeding caused by digestive endometriosis resembling colon cancer 2014
- A Case of Rectal Endometriosis Misdiagnosed as Rectal Malignancy on Three Colonoscopies and Biopsies Sharing a Combined Literature Review 2024
- A case of rectal endometriosis misdiagnosed as rectal malignancy on three colonoscopies and biopsies sharing a combined literature review 2023
References (4)
- A case of rectal bleeding caused by digestive endometriosis resembling colon cancer via openalex
- EXTRAPELVIC ENDOMETRIOSIS via openalex
- Role of EUS and EUS-guided FNA in the diagnosis of symptomatic rectosigmoid endometriosis via openalex
- W2053691784 via openalex
Cited by (4)
- A Case of Rectal Endometriosis Misdiagnosed as Rectal Malignancy on Three Colonoscopies and Biopsies Sharing a Combined Literature Review 2024
- A case of rectal endometriosis misdiagnosed as rectal malignancy on three colonoscopies and biopsies sharing a combined literature review 2023
- Terminal ilial intussusception in an adult due to endometriosis 2016
- A case of rectal bleeding caused by digestive endometriosis resembling colon cancer 2014
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- europepmc
- last seen: 2026-06-04T01:30:01.192114+00:00
- openalex
- last seen: 2026-06-10T17:14:06.276822+00:00
- pubmed
- last seen: 2026-05-13T22:18:15.805398+00:00
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