Testicular Cancer Screening (PDQ®)
What is screening?
Screening is looking for cancer before a person has any symptoms. This can help find cancer at an early stage. When abnormal tissue or cancer is found early, it may be easier to treat. By the time symptoms appear, cancer may have begun to spread.
Scientists are trying to better understand which people are more likely to get certain types of cancer. They also study the things we do and the things around us to see if they cause cancer. This information helps doctors recommend who should be screened for cancer, which screening tests should be used, and how often the tests should be done.
It is important to remember that your doctor does not necessarily think you have cancer if he or she suggests a screening test. Screening tests are given when you have no cancer symptoms.
If a screening test result is abnormal, you may need to have more tests done to find out if you have cancer. These are called diagnostic tests.
General Information About Testicular Cancer
- Testicular cancer is a disease in which malignant (cancer) cells form in the tissues of one or both testicles.
- Testicular cancer is the most common cancer in men aged 15 to 34 years.
- Testicular cancer can usually be cured.
- A condition called cryptorchidism (an undescended testicle) is a risk factor for testicular cancer.
Testicular cancer is a disease in which malignant (cancer) cells form in the tissues of one or both testicles.
The testicles are 2 egg-shaped glands inside the scrotum (a sac of loose skin that lies directly below the penis). The testicles are held within the scrotum by the spermatic cord. The spermatic cord also contains the vas deferens and vessels and nerves of the testicles.
The testicles are the male sex glands and make testosterone and sperm. Germ cells in the testicles make immature sperm. These sperm travel through a network of tubules (tiny tubes) and larger tubes into the epididymis (a long coiled tube next to the testicles). This is where the sperm mature and are stored.
Testicular cancer is the most common cancer in men aged 15 to 34 years.
Testicular cancer is very rare, but it is the most common cancer found in men between the ages of 15 and 34. White men are four times more likely than black men to have testicular cancer
Testicular cancer can usually be cured.
Although the number of new cases of testicular cancer has doubled in the last 40 years, the number of deaths caused by testicular cancer has decreased greatly because of better treatments. Testicular cancer can usually be cured, even in late stages of the disease. (See the PDQ summary on Testicular Cancer Treatment for more information.)
A condition called cryptorchidism (an undescended testicle) is a risk factor for testicular cancer.
Anything that increases the chance of getting a disease is called a risk factor. Having a risk factor does not mean that you will get cancer; not having risk factors doesn't mean that you will not get cancer. Talk to your doctor if you think you may be at risk. Risk factors for testicular cancer include the following:
Men who have cryptorchidism, a testicle that is not normal, or testicular carcinoma in situ have an increased risk of testicular cancer in one or both testicles, and need to be followed closely.
Testicular Cancer Screening
- Tests are used to screen for different types of cancer.
- There is no standard or routine screening test for testicular cancer.
Tests are used to screen for different types of cancer.
Some screening tests are used because they have been shown to be helpful both in finding cancers early and in decreasing the chance of dying from these cancers. Other tests are used because they have been shown to find cancer in some people; however, it has not been proven in clinical trials that use of these tests will decrease the risk of dying from cancer.
Scientists study screening tests to find those with the fewest risks and most benefits. Cancer screening trials also are meant to show whether early detection (finding cancer before it causes symptoms) decreases a person's chance of dying from the disease. For some types of cancer, the chance of recovery is better if the disease is found and treated at an early stage.
Information about ongoing clinical trials is available from the NCI Web site.
There is no standard or routine screening test for testicular cancer.
There is no standard or routine screening test used for early detection of testicular cancer. Most often, testicular cancer is first found by men themselves, either by chance or during self-exam. Sometimes the cancer is found by a doctor during a routine physical exam.
No studies have been done to find out if testicular self-exams, regular exams by a doctor, or other screening tests in men with no symptoms would decrease the risk of dying from this disease. However, routine screening probably would not decrease the risk of dying from testicular cancer. This is partly because testicular cancer can usually be cured at any stage. Finding testicular cancer early may make it easier to treat. Patients who are diagnosed with testicular cancer that has not spread to other parts of the body may need less chemotherapy and surgery, resulting in fewer side effects.
Changes to This Summary (07/19/2012)
Editorial changes were made to this summary.
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Clinical Trial Information
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National Cancer Institute: PDQ® Testicular Cancer Screening. Bethesda, MD: National Cancer Institute. Date last modified <MM/DD/YYYY>. Available at: http://www.cancer.gov/types/testicular/patient/testicular-screening-pdq. Accessed <MM/DD/YYYY>.
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