TESTICULAR NEOPLASMS
EPIDEMIOLOGY
- MOST IMPORTANT CAUSE OF PAINLESS ENLARGEMENT OF TESTIS
- 6/100,000 MALES, WHITES > BLACKS (US)
- INCREASED FREQUENCY IN SIBLINGS
- PEAK INCIDENCE 15-34 YRS
- MOST ARE MALIGNANT
- ASSOCIATED WITH GERM CELL MALDEVELOPMENT
- CRYPTORCHIDISM
- TESTICULAR DYSGENESIS(XXY)