Colonoscopic Findings and Histologic Diagnostic Yield of Colorectal Endometriosis
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This study found eccentric wall thickening to be the most common colonoscopic finding in colorectal endometriosis, with biopsies yielding higher diagnostic rates when surface nodularities were present.
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Abstract
BACKGROUND: No study has systematically investigated the colonoscopic findings and histologic diagnostic yield in the diagnosis of colorectal endometriosis. OBJECTIVES: We classified the colonoscopic features of colorectal endometriosis and determined the diagnostic yield of endoscopic biopsy in relation to endoscopic subtypes of colorectal endometriosis. METHODS: A total of 17 patients with colorectal endometriosis were assessed. The data from the colonoscopic and histologic assessments made between November 1994 and October 2009 were retrospectively analyzed in single tertiary referral teaching hospital. RESULTS: Colonoscopy showed eccentric wall thickening in 14 patients (82%) and polypoid lesions in 3 patients (18%). Surface nodularities were noted in 11 of the 14 patients (79%) with eccentric wall thickening, and in 1 of the 3 patients (33%) with polypoid lesions. The overall histologic diagnostic yield was 47% (8 of the 17 patients). The rate of histologic confirmation was higher in patients with surface nodularities (8 of the 12 patients, 67%) versus those without (0 of the 5 patients, 0%) surface nodularities (P=0.02). CONCLUSIONS: Eccentric wall thickening is the most common colonoscopic finding of colorectal endometriosis, and the histologic diagnostic yield of endoscopic biopsy is high when lesions are accompanied by surface nodularities.
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Cited by (22)
- A Case of Rectal Endometriosis Misdiagnosed as Rectal Malignancy on Three Colonoscopies and Biopsies Sharing a Combined Literature Review 2024
- The value of pre-operative outpatient flexible sigmoidoscopy in patients with deep infiltrating endometriosis 2023
- A case of rectal endometriosis misdiagnosed as rectal malignancy on three colonoscopies and biopsies sharing a combined literature review 2023
- Excision of triple compartment deep infiltrating endometriosis with visceral involvement 2022
- Deep infiltrative endometriosis of the sigmoid colon: an uncommon lesion of the colon seen on colonoscopy 2022
- Colonic endometriosis diagnosed by endoscopic piecemeal mucosal resection: A case report and literature review 2021
- [Endoscopic Dilation to Treat One Case of Severe Intestinal Stenosis Caused by Endometriosis]. 2021
- Intestinal endometriosis: Clinical reflections 2021
- Prospective Evaluation of Outpatient Flexible Sigmoidoscopy in Patients With Deep Infiltrating Endometriosis 2020
- A Targeted Biopsy during Menstruation for the Definitive Diagnosis of Rectovaginal Endometriosis: A Report of Two Cases 2020
- Intestinal endometriosis: Diagnostic ambiguities and surgical outcomes 2019
- An Unusual Presentation of Endometriosis as an Ileocolic Intussusception with Cecal Mass: A Case Report. 2018
- Prospektív vizsgálat a sigmoideoscopia diagnosztikai érzékenységének meghatározására vastagbelet infiltráló endometriosisban 2017
- Preoperative Diagnosis of Intestinal Endometriosis by Magnifying Colonoscopy and Target Biopsy 2017
- Endometriosis 2016
- Submucosal Lesions Presenting With Rectal Bleeding-Endometriosis in the GI Tract 2015
- Endometriosis en el colon y obstrucción intestinal: un caso clínico y revisión de la literatura Endometriosis in the Colon with Intestinal Obstruction: Case Report and Literature Review 2014
- Cyclical constipation 2014
- Management of rectosigmoid obstruction due to severe bowel endometriosis 2013
- Colonic Endometriosis Presenting as a Sigmoid Stricture Requiring Laparoscopic Colonic Surgery for Diagnosis and Treatment 2013
- Endometriosis colónica aislada de tipo polipoide simulando una neoplasia de sigma 2012
- Surgical Considerations in Colorectal Endometriosis 2012
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