Cause+by+Kevin+Tsai+and+William+Huang

Scientists do not know the exact cause of most cases of Testicular cancer, but they do know some of the risk factors linked to testicular cancer:
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•The main risk factor for testicular cancer may be a problem called cryptorchidism, or undescended testicles. Before birth, the testicle normally develop in the belly of the fetus then moves down into the scrotum. But in about 3% of boys, the testicle does not move down into the scrotum successfully. Sometimes the testicle doesn't even move, and stays in the belly; other times the testicle starts to come down, but gets stuck in the groin area(between legs and the inner thighs). •About 10% of testicular cancer occur in men with cryptochidism. The risk is higher if the testicles are in the belly. Most testicular cancer start in the testicle that has not moved down. But up to 25% occur in men who have normal testicles. •A family history of testicular cancer will increase the risk of getting it. But very few cases of the disease happen to occur in families, so the men are more likely to not pass this cancer on to their children.
 * 1.Undescended testicle**
 * 2. Family History**

•Having HIV may also increase the risk of having testicular cancer. This would be corresponding for the men who have AIDS. No evidence has been shown for other infections to increase the risk of having testicular Cancer. •CIS is a condition in which the germs cells inside your body grows abonormally, but it does not form a tumor or cause other symptoms. There are no clear evidences stating how CIS in the testicles can form testicular cancer.
 * 3.HIV infection**
 * 4.CIS (carcinoma in situ)**

•Testicular Cancer is common among Caucasians therefore daily self examination can help. Unlike in Europe and the US, testicular cancer is extremely rare among African and Asian men.
 * 5. Being White**



Quiz Question Can you give 3 causes of testicular cancer?