We report a 16 year old girl presenting with secondary amenorrhea, a histor
y of voice coarsening, hirsutism and a body mass index of 35 kg/m(2). Pelvi
c ultrasound and CT scans showed a retro uterine dense mass. She was operat
ed and a left ovarian tumor was excised. Pathological examination disclosed
a Sertoli-Leydig tumor.