Background: All of the ovarian borderline clear cell tumors ever reported had, without exception, an adenofibromatous pattern.

Case: We report two cases of borderline cystic clear cell tumor of the ovary without apparent invasive lesions or adenofibromatous components.

Conclusion: This is the first report of cystic clear cell tumors of borderline malignancy, indicating a possible new histological subtype.

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http://dx.doi.org/10.1016/j.ygyno.2005.12.039DOI Listing

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