Resumo

MORALES YERA, Rodolfo Arian; LOPEZ GONZALEZ, Lisbetty  e  MEDINA PEREZ, Víctor Manuel. Malignant transformation of an ovarian mature teratoma during pregnancy. Medicentro Electrónica [online]. 2021, vol.25, n.3, pp. 504-512.  Epub 01-Jul-2021. ISSN 1029-3043.

The risk of ovarian cancer throughout a woman's life is less than 2%, and during reproductive life it is 0.01%. The incidence of ovarian cancer during pregnancy is 1: 10,000 - 100,000 cases. Most adnexal masses in pregnancy are asymptomatic. Diagnosis is frequently made by casual finding on obstetric ultrasound; an incidence of 0.2 - 2% has been estimated, and 1 - 6% of them are malignant. Squamous cell carcinoma developed in a mature cystic teratoma is a rare neoplasm that represents approximately 2% of primary ovarian tumors. We present a patient with an accidental diagnosis of mature ovarian teratoma with differentiation of squamous cell carcinoma, during a cesarean section.

Palavras-chave : carcinoma, squamous cell; teratoma; pregnancy complications, neoplastic.

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