Which of the following statementsis true regarding testicular tumors?: (A) Are embryonal cell carcinomas in 95% of cases, (B) Bilateral in up to 10% cases, (C) Teratomas are more common than seminomas, (D) Usually present after 50 years of age
Answer is B. Embryonal carcinoma is a type of non seminomatous germ cell tumour( 95% of testicular tumours are germ cell tumours ) and constitutes about 40% of germ cell tumours. Seminomas (40%)are more common than teratomas(32%)Testicular tumours are most common form of cancer among young men.Teratomas tend to occur in younger men, with the peak incidence being between 20 and 35 years, whereas the peak incidence of seminoma is between 35 and 45 years. Seminoma is rare before pubey.Reference : page1384 Bailey and Love's sho practice of surgery 25th edition and page 708 textbook of pathology Harshmohan 6th edition