Masonic Cancer Center, University of Minnesota
Vulvar cancer is a rare disease in which malignant (cancer) cells form in the tissues of the vulva.
Vulvar cancer forms in a woman's external genitalia. The vulva includes the inner and outer lips of the vagina, the clitoris (sensitive tissue between the lips), and the opening of the vagina and its glands.
Vulvar cancer most often affects the outer vaginal lips. Less often, cancer affects the inner vaginal lips or the clitoris.
Vulvar cancer usually develops slowly over a period of years. Abnormal cells can grow on the surface of the vulvar skin for a long time. This precancerous condition is called vulvar intraepithelial neoplasia (VIN) or dysplasia. Because it is possible for VIN or dysplasia to develop into vulvar cancer, treatment of this condition is very important.
HPV infection and older age can affect the risk of developing vulvar cancer.
Risk factors include the following:
Possible signs of vulvar cancer include bleeding or itching.
Vulvar cancer often does not cause early symptoms. When symptoms occur, they may be caused by vulvar cancer or by other conditions. A doctor should be consulted if any of the following problems occur:
Tests that examine the vulva are used to detect (find) and diagnose vulvar cancer.
The following tests and procedures may be used:
Certain factors affect prognosis (chance of recovery) and treatment options.
The prognosis (chance of recovery) and treatment options depend on the following:
After vulvar cancer has been diagnosed, tests are done to find out if cancer cells have spread within the vulva or to other parts of the body.
The process used to find out if cancer has spread within the vulva 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:

Pelvic exam. A doctor or nurse inserts one or two lubricated, gloved fingers of one hand into the vagina and presses on the lower abdomen with the other hand. This is done to feel the size, shape, and position of the uterus and ovaries. The vagina, cervix, fallopian tubes, and rectum are also checked.
There are three ways that cancer spreads in the body.
The three ways that cancer spreads in the body are:
When cancer cells break away from the primary (original) tumor and travel through the lymph or blood to other places in the body, another (secondary) tumor may form. This process is called metastasis. The secondary (metastatic) tumor is the same type of cancer as the primary tumor. For example, if breast cancer spreads to the bones, the cancer cells in the bones are actually breast cancer cells. The disease is metastatic breast cancer, not bone cancer.
The following stages are used for vulvar cancer:
Stage 0 (Carcinoma in Situ)
In stage 0, abnormal cells are found on the surface of the vulvar skin. These abnormal cells may become cancer and spread into nearby normal tissue. Stage 0 is also called carcinoma in situ.
Stage I
In stage I, cancer has formed and is found in the vulva only or in the vulva and perineum (area between the rectum and the vagina). The tumor is 2 centimeters or smaller and has spread to tissue under the skin. Stage I vulvar cancer is further divided into stage IA and stage IB.
Stage II
In stage II, cancer is found in the vulva or the vulva and perineum (space between the rectum and the vagina), and the tumor is larger than 2 centimeters.
Stage III
In stage III vulvar cancer, the cancer is of any size and either:
Stage IV
Stage IV is divided into stage IVA and stage IVB, based on where the cancer has spread.
Recurrent vulvar cancer is cancer that has recurred (come back) after it has been treated. The cancer may come back in the vulva or in other parts of the body.
There are different types of treatment for patients with vulvar cancer.
Different types of treatments are available for patients with vulvar 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.
Four types of standard treatment are used:
Laser therapy
Laser therapy is a cancer treatment that uses a laser beam (a narrow beam of intense light) to kill cancer cells.
Surgery
Surgery is the most common treatment for cancer of the vulva. The goal of surgery is to remove all the cancer without any loss of the woman's sexual function. One of the following types of surgery may be done:
Even if the doctor removes all the cancer that can be seen at the time of the surgery, some patients may have 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
Radiation therapy is a cancer treatment that uses high-energy x-rays or other types of radiation to kill cancer cells. There are two types of radiation therapy. External radiation therapy uses a machine outside the body to send radiation toward the cancer. Internal radiation therapy uses a radioactive substance sealed in needles, seeds, wires, or catheters that are placed directly into or near the cancer. The way the radiation therapy is given depends on the type and stage of the cancer being treated.
Chemotherapy
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). When chemotherapy is placed directly into the spinal column, an organ, a body cavity such as the abdomen, or onto the skin, the drugs mainly affect cancer cells in those areas (regional chemotherapy). The way the chemotherapy is given depends on the type and stage of the cancer being treated.
Topical chemotherapy for vulvar cancer may be applied to the skin in a cream or lotion.
New types of treatment are being tested in clinical trials.
Information about clinical trials is available from the NCI Web site (see also: clinical trials at the Masonic Cancer Center) .
Patients may want to think about taking part in a clinical trial.
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.
Patients can enter clinical trials before, during, or after starting their cancer treatment.
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. See the Treatment Options section that follows for links to current treatment clinical trials. These have been retrieved from NCI's clinical trials database.
Follow-up tests may be needed.
Some of the tests that were done to diagnose the cancer or to find out the stage of the cancer may be repeated. Some tests will be repeated in order 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. This is sometimes called re-staging.
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). These tests are sometimes called follow-up tests or check-ups.
A link to a list of current clinical trials is included for each treatment section. For some types or stages of cancer, there may not be any trials listed. Check with your doctor for clinical trials that are not listed here but may be right for you.
Treatment of stage 0 may include the following:
Check for U.S. clinical trials from NCI's PDQ Cancer Clinical Trials Registry that are now accepting patients with stage 0 vulvar cancer (see also: clinical trials at the Masonic Cancer Center) . For more specific results, refine the search by using other search features, such as the location of the trial, the type of treatment, or the name of the drug. General information about clinical trials is available from the NCI Web site.
Treatment of stage I vulvar cancer may include the following:
Check for U.S. clinical trials from NCI's PDQ Cancer Clinical Trials Registry that are now accepting patients with stage I vulvar cancer (see also: clinical trials at the Masonic Cancer Center) . For more specific results, refine the search by using other search features, such as the location of the trial, the type of treatment, or the name of the drug. General information about clinical trials is available from the NCI Web site.
Treatment of stage II vulvar cancer may include the following:
Check for U.S. clinical trials from NCI's PDQ Cancer Clinical Trials Registry that are now accepting patients with stage II vulvar cancer (see also: clinical trials at the Masonic Cancer Center) . For more specific results, refine the search by using other search features, such as the location of the trial, the type of treatment, or the name of the drug. General information about clinical trials is available from the NCI Web site.
Treatment of stage III vulvar cancer may include the following:
Check for U.S. clinical trials from NCI's PDQ Cancer Clinical Trials Registry that are now accepting patients with stage III vulvar cancer (see also: clinical trials at the Masonic Cancer Center) . For more specific results, refine the search by using other search features, such as the location of the trial, the type of treatment, or the name of the drug. General information about clinical trials is available from the NCI Web site.
Treatment of stage IV vulvar cancer may include the following:
Check for U.S. clinical trials from NCI's PDQ Cancer Clinical Trials Registry that are now accepting patients with stage IV vulvar cancer (see also: clinical trials at the Masonic Cancer Center) . For more specific results, refine the search by using other search features, such as the location of the trial, the type of treatment, or the name of the drug. General information about clinical trials is available from the NCI Web site.
It is important to have regular follow-up exams to check for recurrent vulvar cancer. Treatment of recurrent vulvar cancer may include the following:
Check for U.S. clinical trials from NCI's PDQ Cancer Clinical Trials Registry that are now accepting patients with recurrent vulvar cancer (see also: clinical trials at the Masonic Cancer Center) . For more specific results, refine the search by using other search features, such as the location of the trial, the type of treatment, or the name of the drug. General information about clinical trials is available from the NCI Web site.
For more information from the National Cancer Institute about vulvar cancer, see the following:
For general cancer information and other resources from the National Cancer Institute, see the following:
The PDQ cancer information summaries are reviewed regularly and updated as new information becomes available. This section describes the latest changes made to this summary as of the date above.
Editorial changes were made and images were added to this summary.
2005-09-23Date last modified: 2009-08-27