Endometriosis-associated ovarian carcinoma site in particular structures of the abdominal cavity and the pelvis

Oddział Kliniczny Ginekologii Onkologicznej, Centrum Onkologii im. prof. Franciszka Łukaszczyka, Bydgoszcz, Polska, Elżbieta Stasienko, Łukasz Wicherek
In: Current Gynecologic Oncology · 2016 · vol. 14(3) , pp. 139–144 · doi:10.15557/cgo.2016.0016 · W2586045671
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⚙ AI-generated summary by claude@2026-06, 2026-06-11 ⓘ

This study analyzed histopathology from 69 patients and found ovarian carcinoma associated with endometriosis most frequently in the adnexa, rectovaginal septum, abdominal integuments, colon/rectum, and urinary bladder.

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The study analyzed a hospital database of 69 patients with ovarian carcinoma operated on between 2004 and 2012 who met Sampson criteria and had endometriosis and ovarian carcinoma confirmed in one tissue sample. By reviewing operation reports and histopathology, the authors assessed where endometriosis was present in relation to carcinoma tissue across pelvic and abdominal structures. Endometriosis-related carcinoma texture was most frequent in the adnexa (30/69, 44.7%) and rectovaginal septum (25/69, 37.3%), with lower frequencies in abdominal integuments (7/69, 10.4%), sigmoid colon/rectum (3/69, 4.5%), and urinary bladder (2/69, 3%), and in some cases multiple sites were involved. The paper acknowledges a limitation of relying on retrospective histopathological and operative documentation and notes differences between endometriosis-associated and non-associated ovarian carcinomas as motivation for further therapy research. This paper is centrally about endometriosis—specifically mapping endometriosis-associated ovarian carcinoma where endometriosis coexists with carcinoma across pelvic and abdominal structures.

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Abstract

Aim: The aim of the study was to determine the frequency of the malignant endometrioma transformation in the structures of the abdominal cavity organs and the pelvis. Material and methods: Making use of the hospital database, we have analyzed histopathological results of patients with ovarian carcinoma operated on between 2004 and 2012 at the Oncology Center in Bydgoszcz. In the case of 69 patients meeting the Sampson criteria, endometriosis and ovarian carcinoma were confirmed in one tissue sample. Following a thorough analysis of operation reports and histopathological results, we have observed the presence of carcinoma texture and endometriosis in: the adnexa, rectovaginal septum, sigmoid colon and the rectum, abdominal integuments, urinary bladder. Results: Endometriosis related to the texture of the carcinoma was present in the adnexa of 30 patients (44.7%), in the rectovaginal septum – in 25 (37.3%), in abdominal integuments – in 7 (10.4%), in the sigmoid colon or rectum – in 3 (4.5%) and within the urinary bladder – in 2 (3%); in the case of 2 patients, endometriosis was focused in several sites. Summary: Differences between patients with ovarian carcinomas, either associated with endometriosis or not – concerning the degree of clinical advancement, histopathological type and prognosis – induce one to search for new methods and new schemes of known therapies.
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Endometriosis-associated ovarian carcinoma site in particular structures of the abdominal cavity and the pelvis Elżbieta Stasienko1, Łukasz Wicherek1,2 Aim: The aim of the study was to determine the frequency of the malignant endometrioma transformation in the structures of the abdominal cavity organs and the pelvis. Material and methods: Making use of the hospital database, we have analyzed histopathological results of patients with ovarian carcinoma operated on between 2004 and 2012 at the Oncology Center in Bydgoszcz. In the case of 69 patients meeting the Sampson criteria, endometriosis and ovarian carcinoma were confirmed in one tissue sample. Following a thorough analysis of operation reports and histopathological results, we have observed the presence of carcinoma texture and endometriosis in: the adnexa, rectovaginal septum, sigmoid colon and the rectum, abdominal integuments, urinary bladder. Results: Endometriosis related to the texture of the carcinoma was present in the adnexa of 30 patients (44.7%), in the rectovaginal septum – in 25 (37.3%), in abdominal integuments – in 7 (10.4%), in the sigmoid colon or rectum – in 3 (4.5%) and within the urinary bladder – in 2 (3%); in the case of 2 patients, endometriosis was focused in several sites. Summary: Differences between patients with ovarian carcinomas, either associated with endometriosis or not – concerning the degree of clinical advancement, histopathological type and prognosis – induce one to search for new methods and new schemes of known therapies.

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