IMR Press / EJGO / Volume 41 / Issue 3 / DOI: 10.31083/j.ejgo.2020.03.5146
Open Access Case Report
Malignancy-transformed mature cystic teratoma surgical treatment requires comprehensive staging procedures including pelvic/para-aortic lymphadenectomy
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1 I Department of Oncological Gynaecology and Gynaecology, Medical University of Lublin, Lublin, Poland
2 Nu-med, Center of Oncology Diagnostics and Therapy, Zamość, Poland
3 Department of Clinical Pathomorphology, Medical University of Lublin, Lublin, Poland
4 Department of Gynaecology and Gynaecological Endocrinology, Medical University of Lublin, Lublin, Poland
5 I Department of Radiation Therapy, Center of Oncology of the Lublin Region St. John from Dukla, Lublin, Poland
Eur. J. Gynaecol. Oncol. 2020, 41(3), 484–488;
Submitted: 27 January 2019 | Accepted: 1 April 2019 | Published: 15 June 2020

This report presents the case of squamous cell cancer (SCC) originating from a mature cystic teratoma (MCT) diagnosed in pregnant women, in whom retroperitoneal spread to para-aortic lymph nodes was confirmed as the only evidence of extraovarian disease in a relatively short time after primary tumor excision. The 35-year-old multipara was diagnosed in early pregnancy with an ovarian tumor. The patient qualified for elective caesarean section with left ovarian cystectomy. Pathological result proved SCC in MCT and the patient underwent debulking surgery without total pelvic and para-aortic lymphadenectomy. Final staging confirmed ovarian malignancy FIGO IA, and no adjuvant treatment was recommended. Early imaging examination during routine follow-up demonstrated enlarged para-aortic lymph nodes and the patient qualified for total pelvic and para-aortic lymphadenectomy. Postoperative pathology result confirmed metastases in para-aortic lymph nodes and standard adjuvant chemotherapy was administered.

Malignancy-transformed mature cystic teratoma
Para-aortic lymphadenectomy
Figure 1.
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