Seminoma Germ Cell Tumor Descriptors Seminoma - Homogeneous - Hypoechoic Embryonal Cell CA - Hypoechoic - Increasedechogenicity and cystic areas (hemorrhage/ necrosis) Teratoma - Complex-Heterogeneous Choriocarcinoma - Complex - Hemorrhage - Necrosis Calcifications Yolk Sac Tumor Seminoma. The is the most common single type of primary testicular tumor (35-70%) and the most common tumor found in patients .. 2009. 9. 21. 이전 1 다음