This study included 41 patients with ovarian masses. After clinical examination, Ultrasound ,color Doppler both flow mapping and indices and measurement of serum vascular endothelial growth factor. After surgery, histopathologic studies were done with immunohistochemical stains. The sensitivity of clinical examination was 58%, ultrasound 100%, color Doppler 92%,and combined ultrasound and Doppler diagnostic was high as 91%.