Sclerosing stromal tumor of the ovary: A rare entity with distinctive features

Abstract

Sclerosing stromal tumor (SST) is an extremely rare ovarian sex cord-stromal tumor with distinctive pathological featuresand benign nature. Awareness of such entity is crucial because of its histopathologic similarity with other neoplastic andnon-neoplastic lesions of the ovary. In this report, a 29-year-old woman was presented with menstrual irregularities andpelvic pain. She underwent unilateral oophorectomy after detecting a right ovarian mass by ultrasonography. The case wasdiagnosed as ovarian sclerosing stromal tumor based on clinicopathologic and immunohistochemical features. Differentialdiagnosis is discussed with review of the literature data.