Which of the following statements is 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
Correct answer : B. Bilateral in up to 10% cases
15% of familial and 5% of sporadic cases of testicular tumour are bilateral.