y-chromatin positivity ( indicating gamete heterozygosity ) was found in 16 of 182 cases ( 9 % ) of hydatidiform mole , two of four cases ( 50 % ) of invasive mole , and 14 of 19 cases ( 74 % ) of choriocarcinoma .
C0020217
hydatidiform mole
C0008493
invasive mole