Histology of endometriosis-associated ovarian carcinomas

Elżbieta Stasienko, M. Wisniewska, Krzysztof Kamecki, Joanna Skręt‐Magierło, Marcin Opławski, Anna A. Brożyna, Magdalena Maleńczyk, Krzysztof Koper, Krzysztof Roszkowski
In: Current Gynecologic Oncology · 2015 · vol. 13(2) , pp. 85–92 · doi:10.15557/cgo.2015.0010 · W2740653734
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⚙ AI-generated summary by claude@2026-06, 2026-06-19 ⓘ

This study aimed to showcase the histological diversity of ovarian carcinomas associated with endometriosis, using histological examination.

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This study used record linkage to conduct histopathological assessment of patients with endometriosis-associated ovarian cancer who underwent surgery between 2004 and 2010 at an oncology center in Bydgoszcz. In 62 patients, endometriosis (and cervical carcinoma in one tissue specimen) was confirmed, and the authors found substantial histologic diversity with 53.22% endometrioid adenocarcinoma, 25.8% clear-cell carcinoma, 19.35% serous adenocarcinoma, and 1.61% mucinous adenocarcinoma. The paper reports that coexistent endometriosis is associated more often with endometrioid and clear-cell carcinomas than other subtypes, and that among cases occurring in abdominal wall scars after laparotomy, clear-cell carcinoma predominated. This paper is centrally about endometriosis-associated ovarian carcinomas and specifically analyzes how confirmed endometriosis relates to ovarian cancer histologic subtypes and abdominal wall scar tumor types.

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Abstract

Objective: The objective of this study was to demonstrate the histological diversity of endometriosis-associated ovarian carcinoma. Material and methods: Using...
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Histology of endometriosis-associated ovarian carcinomas Objective: The objective of this study was to demonstrate the histological diversity of endometriosis-associated ovarian carcinoma. Material and methods: Using record linkage techniques, we have conducted histopathological assessment in patients with endometriosis-associated ovarian cancer who received surgical treatment between 2004–2010 in the Oncology Centre in Bydgoszcz. Endometriosis and cervical carcinoma were confirmed in one tissue specimen in 62 patients. Results: Endometriosis seemed to promote the development of specific histologic types of ovarian cancer. Of 62 subjects, 53.22% (33/62) had endometrioid adenocarcinoma, 25.8% (16/62) had clear-cell carcinoma, 19.35% (12/62) had serous adenocarcinoma, and 1.61% (1/62) had mucinous adenocarcinoma. Our results support the hypothesis that coexistent endometriosis is more often associated with endometrioid and clear-cell carcinomas than other histologic subtypes as well as that clear-cell variant is the most common cancer developing in the abdominal wall scar from a previous laparotomy. Among patients with endometriosis-associated ovarian carcinoma in the abdominal scar, three (75%) had clear-cell carcinoma and one had papillary serous adenocarcinoma. Conclusions: According to Sampson’s criteria, endometrioid carcinoma of the ovary was the most common histological diagnosis in patients with endometriosis-associated ovarian carcinoma. The clear-cell variant of cancer was the most common type in patients with endometriosis-associated ovarian carcinoma in the abdominal scar after laparotomy.

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endometriosis

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