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Clear cell carcinoma arising from scar endometriosis: A case report and literature review

Chun-Jui Wei, Shu-Han Huang*

Department of Pathology and Laboratory Medicine, Shin Kong Wu Ho-Su Memorial Hospital, Taipei, Taiwan

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Open Access funded by Buddhist Compassion Relief Tzu Chi Foundation

Abstract Scar endometriosis is uncommon and defined as the presence of ectopic endometrial glands in abdominal soft tissues after a gynecological operation. Malignant transformation has been reported but remains rare. Carcinogenesis occurs in ectopic endometrial tissue with repeated hormone stimulation during the menstrual cycle. We present a case of clear cell carcinoma directly arising from scar endometriosis after a cesarean section and review all 16 cases reported.

Keywords: Cesarean section, Clear cell carcinoma, Endometriosis

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