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J Turk Ger Gynecol Assoc. 2019 May 28;20(2):84-88. doi: 10.4274/jtgga.galenos.2018.2018.0003. Epub 2018 May 14.

Effects of mature cystic teratoma on reproductive health and malignant transformation: A retrospective analysis of 80 cases

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1
Department of Obstetrics and Gynecology, Dokuz Eylul University School of Medicine, İzmir, Turkey

Abstract

Objective:

To examine cases of mature cystic teratoma (MCT) that were diagnosed and treated in our clinic regarding their association with fertility, and to detect the rate of malignant degeneration and the types of malignancies.

Material and Methods:

Patients who underwent surgery due to adnexal mass between April 2012 and August 2017 and were diagnosed as having MCT were retrospectively examined. The mean age of the 80 patients who met the inclusion criteria was 30.60±10.5 years. Nine had infertility according to hospital records. Sixty-seven percent of these (n=6) had accompanying endometriosis and MCT was bilateral in 55.5% (n=5). Malignant degeneration was present in 6.25% (n=5), all were monodermal tumors. Malignant degeneration was more common among patients with larger diameter adnexal masses (9.1±2.9 cm) and in those of postmenopausal age. Tumor markers were within the normal range for patients who developed malignancy. Malignant degeneration was not present among infertile patients with endometriosis.

Results:

Although MCTs do not seem to negatively affect the ovarian reserve, infertility is prominent in patients with concurrent endometriosis. During assessment, concurrent endometriosis should be considered. Imaging findings, large adnexal masses, and postmenopausal period are important for the assessment of MCT concerning malignant degeneration. It should not be overlooked because tumor markers may be normal.

Conclusion:

MCTs can be present concurrent with endometriomas. In such cases, infertility is more distinct. In MCT malignant degeneration, mass diameter, complex mass internal structure, and postmenopausal status are important factors.

KEYWORDS:

Mature cystic teratoma; malignant degeneration; infertility treatment

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