IMR Press / EJGO / Volume 31 / Issue 4 / pii/1630985271590-988968003

European Journal of Gynaecological Oncology (EJGO) is published by IMR Press from Volume 40 Issue 1 (2019). Previous articles were published by another publisher on a subscription basis, and they are hosted by IMR Press on as a courtesy and upon agreement with S.O.G.

Case Report
Isolated osseous ovarian metaplasia: Case report
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1 Department of Gynecology and Obstetrics, University of São Paulo, Ribeirão Preto, SP
2 Department of Pathology, University of São Paulo, Ribeirão Preto, SP
3 Department of Surgery and Anatomy Faculty of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP (Brazil)
Eur. J. Gynaecol. Oncol. 2010, 31(4), 469–470;
Published: 10 August 2010

Background: Some ovarian metaplasias may contain bone or osteoid tissue. The most common tumors presenting these alterations are teratomas and mixed mesodermal tumors with heterologous elements. Case report: We report the case of a woman who, during gynecologic follow-up for chronic anovulation at the age of 31 years, presented a solid ovarian ultrasonographic image with calcifications. After laparoscopy and histological examination it was found to be an isolated ovarian osseous metaplasia. Conclusion: A rarely occurring condition, ovarian osseous metaplasia continues to be of uncertain clinical significance.
Osseous metaplasia
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