The exact cause or causes of testicular cancer are unknown, but a number of factors have been identified that increase a man's risk of developing it. The number of cases of testicular cancer diagnosed each year in the UK has roughly doubled since the mid-1970s. Testicular cancer is unusual compared with other cancers because it tends to affect younger men.Īlthough it's relatively uncommon overall, testicular cancer is the most common type of cancer to affect men between the ages of 15 and 49.įor reasons that are unclear, white men have a higher risk of developing testicular cancer than men from other ethnic groups. Testicular cancer is a relatively rare type of cancer, accounting for just 1% of all cancers that occur in men.Īround 2,300 men are diagnosed with testicular cancer each year in the UK. Read more about Hodgkin lymphoma and non-Hodgkin lymphoma. The Macmillan helpline number is 0808 808 00 00, open Monday to Friday, 9am to 8pm. You can contact the cancer support specialists at Macmillan for more information about Leydig cell tumour and Sertoli cell tumours. This topic focuses on germ cell testicular cancer. Sertoli cell tumours – which account for less than 1% of cases.Leydig cell tumours – which account for around 1 to 3% of cases.Less common types of testicular cancer include: non-seminomas – which account for most of the rest and include teratomas, embryonal carcinomas, choriocarcinomas and yolk sac tumoursīoth types tend to respond well to chemotherapy.seminomas – which have become more common in the past 20 years and now account for 40 to 45% of testicular cancers.There are 2 main subtypes of germ cell testicular cancer. Germ cells are a type of cell that the body uses to create sperm. The most common type of testicular cancer is germ cell testicular cancer, which accounts for around 95% of all cases. The different types of testicular cancer are classified by the type of cells the cancer begins in. The testicles are an important part of the male reproductive system because they produce sperm and the hormone testosterone, which plays a major role in male sexual development. The testicles are the 2 oval-shaped male sex organs that sit inside the scrotum on either side of the penis. Read more about the look and feel of normal testicles, the symptoms of testicular cancer and diagnosing testicular cancer. Get to know your body and see a GP if you notice any changes. It's important to be aware of what feels normal for you. Typical symptoms are a painless swelling or lump in 1 of the testicles, or any change in shape or texture of the testicles. Cancer of the testicle is 1 of the less common cancers, and tends to mostly affect men between 15 and 49 years of age.
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