Alabalik, UlasOkur, M.HanifiAkdeniz, Sevinç2024-04-242024-04-2420202148-2969https://doi.org/10.14534/j-pucr.2020562946https://search.trdizin.gov.tr/yayin/detay/379774https://hdl.handle.net/11468/28162We report the case of a 16-year-old female with a huge mass (40 × 30 × 40 cm) on the left ovary,causing mild bilateral hydronephrosis. Ultrasonography and computed tomography allowed us todiagnose this condition and showed an associated uretero-hydronephrosis. A unilateral salpingooophorectomy was performed on the left ovary, and final pathology revealed a mature cysticteratoma. The patient did not experience any problems in the follow-up six months later, and herhydronephrotic appearance disappearedeninfo:eu-repo/semantics/openAccessArticle7513513837977410.14534/j-pucr.2020562946