Palmeiro, Marta MornaCunha, Teresa MargaridaLoureiro, Ana LuisaEsteves, Gonçalo2016-09-262016-09-262016-02Morna Palmeiro, Marta; Cunha, Teresa Margarida; Loureiro, Ana Luisa; Esteves, Gonçalo. A rare benign ovarian tumour, BMJ Case Reports, bcr-2015, bcr2015214101-bcr2015214101, 2016.1757-790Xhttp://hdl.handle.net/10400.26/14861Sclerosing stromal tumour (SST) of the ovary is an extremely rare and benign ovarian neoplasm, accounting for 6% of the sex cord stromal ovarian tumours subtype. Usually, it is found during the second and third decades of life. Patients commonly present with pelvic pain, a palpable pelvic mass or menstrual irregularity. We report a case of a 20-year-old woman reporting of mild pelvic pain, with normal laboratory data. On imaging examinations, a large right adnexal tumour was found, with features suggesting an ovarian sex cord tumour. The patient underwent right salpingo-oophorectomy, diagnosing a SST of the ovary. This paper also reviews the literature, and emphasises the typical pathological and imaging characteristics of these rare benign ovarian lesions, and their impact, in a conservative surgery.engjournal article2016-07-2310.1136/bcr-2015-214101