TY - JOUR T1 - A rare ovarian tumor, leydig stromal cell tumor, presenting with virilization: a case report TT - JF - MJIRI JO - MJIRI VL - 26 IS - 4 UR - http://mjiri.iums.ac.ir/article-1-1683-en.html Y1 - 2012 SP - 185 EP - 188 KW - Leydig stromal cell tumor KW - Androgen secreting neoplasm KW - Virilizing ovarian tumors KW - Sex cordstromal cell tumor. N2 -  Leydig stromal cell tumor is a rare ovarian tumor that belongs to the group of sex-cord stromal tumors. They produce testosterone leading to hyperandrogenism. We present a 41yr old woman with symptoms of virilization and a mass of right adenex via ultra Sonography, and a rise of total and free serum testosterone. An ovarian source of androgen was suspected and a surgery performed. A diagnosis of leydig-stromal cell tumor was confirmed. Our report is a reminder that although idiopathic hirsutism and other benign androgen excess disorder like Polycystic Ovarian Syndrome (PCOs) are common, ovarian mass should be considered in differential diagnosis.  M3 ER -