| | Cancer | Testicular Cancer What age is testicular cancer common? The peak incidence of testicular cancer is between the ages of 15 and 35, although it can occur at any age. Testicular Cancer - Related Articles Testicular Cancer Symptoms & Early Detection Is spotting part of your period? Is it normal to have a bigger testicle? What is TBIL on a blood test? Late Testicular Cancer Symptoms What is an antinuclear antibody test used to evaluate? Compare and contrast synchrony alpha block?