Testicular cancer occurs in testes - paired, oval-shaped, male-reproductive glands, which sit in the scrotum (supporting structure for the testes which hangs beneath the base of the penis). Their main function is to produce sperms and the male hormones (androgens) such as testosterone.
The testes are made up of mainly 3 types of cells: spermatogenic cells (germ cells), Sertoli cells, and interstitial (or Leydig) cells. Each of these cells can develop into one or more types of cancer.
Germ cell tumors are the most commonly encountered (around 90-95% of all cases) testicular cancer.
Germ cell tumors are classified into following 2 types:
Let's know more about testicular cancer with the help of these explainer videos and infographics.