The testicles are 2 egg-shaped glands located 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, which also contains the vas deferens and vessels and nerves of the testicles.
The testicles are the male sex glands and produce testosterone and sperm. Germ cells within the testicles produce immature sperm that travel through a network of tubules (tiny tubes) and larger tubes into the epididymis (a long coiled tube next to the testicles) where the sperm mature and are stored.
Almost all testicular cancers start in the germ cells. The two main types of testicular germ cell tumors are seminomas and nonseminomas. These 2 types grow and spread differently and are treated differently. Nonseminomas tend to grow and spread more quickly than seminomas. Seminomas are more sensitive to radiation. A testicular tumor that contains both seminoma and nonseminoma cells is treated as a nonseminoma.
Testicular cancer is the most common cancer in men 20 to 35 years old.
Anything that increases a person's chance of getting a disease is called a risk factor. Not every person with one or more of these risk factors will develop testicular cancer, and it will develop in people who don't have any known risk factors. Talk with your doctor if you think you may be at risk. Risk factors for testicular cancer include:
These and other signs and symptoms may be caused by testicular cancer or by other conditions. Check with your doctor if you have any of the following:
In addition to asking about your personal and family health history and doing a physical exam, your doctor may perform the following tests and procedures:
The prognosis and treatment options depend on the following:
Testicular cancer can usually be cured in patients who receive adjuvant chemotherapy or radiation therapy after their primary treatment.
Certain treatments for testicular cancer can cause infertility that may be permanent. Patients who may wish to have children should consider sperm banking before having treatment. Sperm banking is the process of freezing sperm and storing it for later use.
The process used to find out if cancer has spread within the testicles or to other parts of the body is called staging. The information gathered from the staging process determines the stage of the disease. It is important to know the stage in order to plan treatment.
The following tests and procedures may be used in the staging process:
Cancer can spread through tissue, the lymph system, and the blood:
When cancer spreads to another part of the body, it is called metastasis. Cancer cells break away from where they began (the primary tumor) and travel through the lymph system or blood.
The metastatic tumor is the same type of cancer as the primary tumor. For example, if testicular cancer spreads to the lung, the cancer cells in the lung are actually testicular cancer cells. The disease is metastatic testicular cancer, not lung cancer.
In stage 0, abnormal cells are found in the tiny tubules where the sperm cells begin to develop. These abnormal cells may become cancer and spread into nearby normal tissue. All tumor marker levels are normal. Stage 0 is also called germ cell neoplasia in situ.
In stage I, cancer has formed. Stage I is divided into stages IA, IB, and IS.
All tumor marker levels are normal.
All tumor marker levels are normal.
Tumor marker levels range from slightly above normal to high.
Stage II is divided into stages IIA, IIB, and IIC.
All tumor marker levels are normal or slightly above normal.
All tumor marker levels are normal or slightly above normal.
All tumor marker levels are normal or slightly above normal.
Stage III is divided into stages IIIA, IIIB, and IIIC.
All tumor marker levels are normal or slightly above normal.
The level of one or more tumor markers is moderately above normal.
The level of one or more tumor markers is high.
or
Cancer is found anywhere in the testicle and may have spread into the spermatic cord or scrotum. Cancer has not spread to distant lymph nodes or the lung, but has spread to other parts of the body, such as the liver or bone.
Tumor marker levels may range from normal to high.
The cancer may come back many years after the initial cancer, in the other testicle or in other parts of the body.
Different types of treatments are available for patients with testicular cancer. Some treatments are standard (the currently used treatment), and some are being tested in clinical trials. A treatment clinical trial is a research study meant to help improve current treatments or obtain information on new treatments for patients with cancer. When clinical trials show that a new treatment is better than the standard treatment, the new treatment may become the standard treatment. Patients may want to think about taking part in a clinical trial. Some clinical trials are open only to patients who have not started treatment.
For nonseminoma, all of the following must be true:
For seminoma, all of the following must be true:
For nonseminoma, all of the following must be true:
For seminoma, all of the following must be true:
For nonseminoma, at least one of the following must be true:
There is no poor prognosis grouping for seminoma testicular tumors.
Surgery to remove the testicle (inguinal orchiectomy) and some of the lymph nodes may be done at diagnosis and staging. (See the General Information and Stages sections of this summary.) Tumors that have spread to other places in the body may be partly or entirely removed by surgery.
After the doctor removes all the cancer that can be seen at the time of the surgery, some patients may be given chemotherapy or radiation therapy after surgery to kill any cancer cells that are left. Treatment given after the surgery, to lower the risk that the cancer will come back, is called adjuvant therapy.
Radiation therapy is a cancer treatment that uses high-energy x-rays or other types of radiation to kill cancer cells or keep them from growing. External radiation therapy uses a machine outside the body to send radiation toward the area of the body with cancer.
Chemotherapy is a cancer treatment that uses drugs to stop the growth of cancer cells, either by killing the cells or by stopping the cells from dividing. When chemotherapy is taken by mouth or injected into a vein or muscle, the drugs enter the bloodstream and can reach cancer cells throughout the body (systemic chemotherapy).
See Drugs Approved for Testicular Cancer for more information.
Surveillance is closely following a patient's condition without giving any treatment unless there are changes in test results. It is used to find early signs that the cancer has recurred (come back). In surveillance, patients are given certain exams and tests on a regular schedule.
High doses of chemotherapy are given to kill cancer cells. Healthy cells, including blood-forming cells, are also destroyed by the cancer treatment. Stem cell transplant is a treatment to replace the blood-forming cells. Stem cells (immature blood cells) are removed from the blood or bone marrow of the patient or a donor and are frozen and stored. After the patient completes chemotherapy, the stored stem cells are thawed and given back to the patient through an infusion. These reinfused stem cells grow into (and restore) the body's blood cells.
See Drugs Approved for Testicular Cancer for more information.
Information about clinical trials is available from the NCI website.
For information about side effects caused by treatment for cancer, visit our Side Effects page.
For some patients, taking part in a clinical trial may be the best treatment choice. Clinical trials are part of the cancer research process. Clinical trials are done to find out if new cancer treatments are safe and effective or better than the standard treatment.
Many of today's standard treatments for cancer are based on earlier clinical trials. Patients who take part in a clinical trial may receive the standard treatment or be among the first to receive a new treatment.
Patients who take part in clinical trials also help improve the way cancer will be treated in the future. Even when clinical trials do not lead to effective new treatments, they often answer important questions and help move research forward.
Some clinical trials only include patients who have not yet received treatment. Other trials test treatments for patients whose cancer has not gotten better. There are also clinical trials that test new ways to stop cancer from recurring (coming back) or reduce the side effects of cancer treatment.
Clinical trials are taking place in many parts of the country. Information about clinical trials supported by NCI can be found on NCI’s clinical trials search webpage. Clinical trials supported by other organizations can be found on the ClinicalTrials.gov website.
As you go through treatment, you will have follow-up tests or check-ups. Some tests that were done to diagnose or stage the cancer may be repeated to see how well the treatment is working. Decisions about whether to continue, change, or stop treatment may be based on the results of these tests.
Some of the tests will continue to be done from time to time after treatment has ended. The results of these tests can show if your condition has changed or if the cancer has recurred (come back).
Men who have had testicular cancer have an increased risk of developing cancer in the other testicle. A patient is advised to regularly check the other testicle and report any unusual symptoms to a doctor right away.
Long-term clinical exams are very important. The patient will probably have check-ups frequently during the first year after surgery and less often after that.
For information about the treatments listed below, see the Treatment Option Overview section.
Treatment of stage 0 may include the following:
Use our clinical trial search to find NCI-supported cancer clinical trials that are accepting patients. You can search for trials based on the type of cancer, the age of the patient, and where the trials are being done. General information about clinical trials is also available.
For information about the treatments listed below, see the Treatment Option Overview section.
Treatment of stage I testicular cancer depends on whether the cancer is a seminoma or a nonseminoma.
Treatment of seminoma may include the following:
Treatment of nonseminoma may include the following:
Use our clinical trial search to find NCI-supported cancer clinical trials that are accepting patients. You can search for trials based on the type of cancer, the age of the patient, and where the trials are being done. General information about clinical trials is also available.
For information about the treatments listed below, see the Treatment Option Overview section.
Treatment of stage II testicular cancer depends on whether the cancer is a seminoma or a nonseminoma.
Treatment of seminoma may include the following:
Treatment of nonseminoma may include the following:
Use our clinical trial search to find NCI-supported cancer clinical trials that are accepting patients. You can search for trials based on the type of cancer, the age of the patient, and where the trials are being done. General information about clinical trials is also available.
For information about the treatments listed below, see the Treatment Option Overview section.
Treatment of stage III testicular cancer depends on whether the cancer is a seminoma or a nonseminoma.
Treatment of seminoma may include the following:
Treatment of nonseminoma may include the following:
Use our clinical trial search to find NCI-supported cancer clinical trials that are accepting patients. You can search for trials based on the type of cancer, the age of the patient, and where the trials are being done. General information about clinical trials is also available.
For information about the treatments listed below, see the Treatment Option Overview section.
Treatment of recurrent testicular cancer may include the following:
Use our clinical trial search to find NCI-supported cancer clinical trials that are accepting patients. You can search for trials based on the type of cancer, the age of the patient, and where the trials are being done. General information about clinical trials is also available.
For more information from the National Cancer Institute about testicular cancer, see the following:
For general cancer information and other resources from the National Cancer Institute, visit:
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PDQ® Adult Treatment Editorial Board. PDQ Testicular Cancer Treatment. Bethesda, MD: National Cancer Institute. Updated <MM/DD/YYYY>. Available at: https://www.cancer.gov/types/testicular/patient/testicular-treatment-pdq. Accessed <MM/DD/YYYY>. [PMID: 26389286]
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