Q ) Most Common cancer of testis in children is a. Yolk sac tumor b. Leydig cell tumor c. Seminoma testis d. Choriocarcinoma
85) a, Yolk sac tumor
yolk sac tumor is the most common testicular tumor in infants and children. Teratoma is the most common tumor in prepubertal males. Yolk sac tumor is the testicular tumor with best prognosis.
Choriocarcinoma occurs in second and third decade and is highly malignant. Leydig cell tumor is the most common non-germ cell tumor of testis with bimodal distribution, first at 5-9 yrs of age and second incidence at 25-35 yrs of age.