Vaginal cancer facts*
*Vaginal cancer facts by John P. Cunha, DO, FACOEP
- Vaginal cancer is a disease in which malignant (cancer) cells form in the vagina. Vaginal cancer is not common. When found in early stages, it can often be cured.
- There are two main types of vaginal cancer: squamous cell carcinoma and adenocarcinoma.
- Risk factors for vaginal cancer include being aged 60 or older, being exposed to DES while in the mother's womb, human papilloma virus (HPV) infection, and having a history of abnormal cells in the cervix or cervical cancer.
- Symptoms of vaginal cancer include bleeding or discharge not related to menstrual periods, pain during sexual intercourse, pain in the pelvic area, and a lump in the vagina.
- To diagnose vaginal cancer, a doctor may do a pelvic exam, pap smear, biopsy, or colposcopy.
- Treatment for vaginal cancer includes surgery, radiation therapy, and chemotherapy.
- The prognosis depends on the stage of the cancer and whether it has spread, the size of the tumor, the grade of tumor cells, where the cancer is within the vagina, whether there are symptoms, the patient's age and general health, and whether the cancer has just been diagnosed or has recurred.
Vaginal Cancer Symptom
Burning urination or painful urination is also referred to as dysuria. A burning sensation with urination can be caused by infectious (including sexually transmitted infections, or STDs such as chlamydia and gonorrhea) and noninfectious conditions, but it is most commonly due to bacterial infection of the urinary tract affecting the bladder. It is often accompanied by other symptoms of urinary tract infections (UTI), such as dysuria (painful urination) or blood in the urine, and it can occur after intercourse in women when infection is present. Burning or painful urination during pregnancy is also suggestive of a urinary tract infection.
Vaginal cancer is a disease in which malignant (cancer) cells form in the vagina.
The vagina is the canal leading from the cervix (the opening of uterus) to the outside of the body. At birth, a baby passes out of the body through the vagina (also called the birth canal).
Vaginal cancer is not common. There are two main types of vaginal cancer:
- Squamous cell carcinoma: Cancer that forms in squamous cells, the thin, flat cells lining the vagina. Squamous cell vaginal cancer spreads slowly and usually stays near the vagina, but may spread to the lungs, liver, or bone. This is the most common type of vaginal cancer.
- Adenocarcinoma: Cancer that begins in glandular cells. Glandular cells in the lining of the vagina make and release fluids such as mucus. Adenocarcinoma is more likely than squamous cell cancer to spread to the lungs and lymph nodes. A rare type of adenocarcinoma is linked to being exposed to diethylstilbestrol (DES) before birth. Adenocarcinomas that are not linked with being exposed to DES are most common in women after menopause.
Cancer is the result of the uncontrolled growth of abnormal cells anywhere in the body.
Age and being exposed to the drug DES (diethylstilbestrol) before birth affect a woman’s risk of vaginal cancer.
Anything that increases your risk 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 with your doctor if you think you may be at risk. Risk factors for vaginal cancer include the following:
- Being aged 60 or older.
- Being exposed to DES while in the mother's womb. In the 1950s, the drug DES was given to some pregnant women to prevent miscarriage (premature birth of a fetus that cannot survive). Women who were exposed to DES before birth have an increased risk of vaginal cancer. Some of these women develop a rare form of vaginal cancer called clear cell adenocarcinoma.
- Having human papilloma virus (HPV) infection.
- Having a history of abnormal cells in the cervix or cervical cancer.
- Having a history of abnormal cells in the uterus or cancer of the uterus.
- Having had a hysterectomy for health problems that affect the uterus.
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Certain factors affect prognosis (chance of recovery) and treatment options.
The prognosis (chance of recovery) depends on the following:
- The stage of the cancer (whether it is in the vagina only or has spread to other areas).
- The size of the tumor.
- The grade of tumor cells (how different they look from normal cells under a microscope).
- Where the cancer is within the vagina.
- Whether there are signs or symptoms at diagnosis.
- The patient's age and general health.
- Whether the cancer has just been diagnosed or has recurred (come back).
When found in early stages, vaginal cancer can often be cured.
Treatment options depend on the following:
- The stage and size of the cancer.
- Whether the cancer is close to other organs that may be damaged by treatment.
- Whether the tumor is made up of squamous cells or is an adenocarcinoma.
- Whether the patient has a uterus or has had a hysterectomy.
- Whether the patient has had past radiation treatment to the pelvis.
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After vaginal cancer has been diagnosed, tests are done to find out if cancer cells have spread within the vagina or to other parts of the body.
The process used to find out if cancer has spread within the vagina 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 procedures may be used in the staging process:
- Chest x-ray: An x-ray of the organs and bones inside the chest. An x-ray is a type of energy beam that can go through the body and onto film, making a picture of areas inside the body.
- CT scan (CAT scan): A procedure that makes a series of detailed pictures of areas inside the body, taken from different angles. The pictures are made by a computer linked to an x-ray machine. A dye may be injected into a vein or swallowed to help the organs or tissues show up more clearly. This procedure is also called computed tomography, computerized tomography, or computerized axial tomography.
- MRI (magnetic resonance imaging): A procedure that uses a magnet, radio waves, and a computer to make a series of detailed pictures of areas inside the body. This procedure is also called nuclear magnetic resonance imaging (NMRI).
- PET scan (positron emission tomography scan): A procedure to find malignant tumor cells in the body. A small amount of radioactive glucose (sugar) is injected into a vein. The PET scanner rotates around the body and makes a picture of where glucose is being used in the body. Malignant tumor cells show up brighter in the picture because they are more active and take up more glucose than normal cells do.
- Cystoscopy: A procedure to look inside the bladder and urethra to check for abnormal areas. A cystoscope is inserted through the urethra into the bladder. A cystoscope is a thin, tube-like instrument with a light and a lens for viewing. It may also have a tool to remove tissue samples, which are checked under a microscope for signs of cancer.
- Ureteroscopy: A procedure to look inside the ureters to check for abnormal areas. A ureteroscope is inserted through the bladder and into the ureters. A ureteroscope is a thin, tube-like instrument with a light and a lens for viewing. It may also have a tool to remove tissue to be checked under a microscope for signs of disease. A ureteroscopy and cystoscopy may be done during the same procedure.
- Proctoscopy: A procedure to look inside the rectum to check for abnormal areas. A proctoscope is inserted through the rectum. A proctoscope is a thin, tube-like instrument with a light and a lens for viewing. It may also have a tool to remove tissue to be checked under a microscope for signs of disease.
- Biopsy: A biopsy may be done to find out if cancer has spread to the cervix. A sample of tissue is removed from the cervix and viewed under a microscope. A biopsy that removes only a small amount of tissue is usually done in the doctor's office. A cone biopsy (removal of a larger, cone-shaped piece of tissue from the cervix and cervical canal) is usually done in the hospital. A biopsy of the vulva may also be done to see if cancer has spread there.
There are three ways that cancer spreads in the body.
Cancer can spread through tissue, the lymph system, and the blood:
- Tissue. The cancer spreads from where it began by growing into nearby areas.
- Lymph system. The cancer spreads from where it began by getting into the lymph system. The cancer travels through the lymph vessels to other parts of the body.
- Blood. The cancer spreads from where it began by getting into the blood. The cancer travels through the blood vessels to other parts of the body.
spread from where it began to other parts of the body.
- Lymph system. The cancer gets into the lymph system, travels through the lymph vessels, and forms a tumor (metastatic tumor) in another part of the body.
- Blood. The cancer gets into the blood, travels through the blood vessels, and forms a tumor (metastatic tumor) in another part of the body.
The metastatic tumor is the same type of cancer as the primary tumor. For example, if vaginal cancer spreads to the lung, the cancer cells in the lung are actually vaginal cancer cells. The disease is metastatic vaginal cancer, not lung cancer.
In vaginal intraepithelial neoplasia (VAIN), abnormal cells are found in
tissue lining the inside of the vagina.
These abnormal cells are not cancer. Vaginal intraepithelial neoplasia (VAIN) is grouped based on how deep the abnormal cells are in the tissue lining the vagina:
- VAIN 1: Abnormal cells are found in the outermost one third of the tissue lining the vagina.
- VAIN 2: Abnormal cells are found in the outermost two-thirds of the tissue lining the vagina.
- VAIN 3: Abnormal cells are found in more than two-thirds of the tissue lining the vagina. When abnormal cells are found throughout the tissue lining, it is called carcinoma in situ.
VAIN may become cancer and spread into the vaginal wall. VAIN is sometimes called stage 0.
The following stages are used for vaginal cancer:
In stage I, cancer is found in the vaginal wall only.
In stage II, cancer has spread through the wall of the vagina to the tissue around the vagina. Cancer has not spread to the wall of the pelvis.
In stage III, cancer has spread to the wall of the pelvis.
Stage IV is divided into stage IVA and stage IVB:
- Stage IVA: Cancer may have spread to one or more of the following areas:
- The lining of the bladder.
- The lining of the rectum.
- Beyond the area of the pelvis that has the bladder, uterus, ovaries, and cervix.
- Stage IVB: Cancer has spread to parts of the body that are not near the vagina, such as the lung or bone.
Recurrent vaginal cancer
Recurrent vaginal cancer is cancer that has recurred (come back) after it has been treated. The cancer may come back in the vagina or in other parts of the body.
There are different types of treatment for patients with vaginal cancer.
Different types of treatments are available for patients with vaginal 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.
Three types of standard treatment are used:
Surgery is the most common treatment of vaginal cancer. The following surgical procedures may be used:
- Laser surgery: A surgical procedure that uses a laser beam (a narrow beam of intense light) as a knife to make bloodless cuts in tissue or to remove a surface lesion such as a tumor.
- Wide local excision: A surgical procedure that takes out the cancer and some of the healthy tissue around it.
- Vaginectomy: Surgery to remove all or part of the vagina.
- Total hysterectomy: Surgery to remove the uterus, including the cervix. If the uterus and cervix are taken out through the vagina, the operation is called a vaginal hysterectomy. If the uterus and cervix are taken out through a large incision (cut) in the abdomen, the operation is called a total abdominal hysterectomy. If the uterus and cervix are taken out through a small incision in the abdomen using a laparoscope, the operation is called a total laparoscopic hysterectomy.
- Lymph node dissection: A surgical procedure in which lymph nodes are removed and a sample of tissue is checked under a microscope for signs of cancer. This procedure is also called lymphadenectomy. If the cancer is in the upper vagina, the pelvic lymph nodes may be removed. If the cancer is in the lower vagina, lymph nodes in the groin may be removed.
- Pelvic exenteration: Surgery to remove the lower colon, rectum, bladder, cervix, vagina, and ovaries. Nearby lymph nodes are also removed. Artificial openings (stoma) are made for urine and stool to flow from the body into a collection bag.
Skin grafting may follow surgery, to repair or reconstruct the vagina. Skin grafting is a surgical procedure in which skin is moved from one part of the body to another. A piece of healthy skin is taken from a part of the body that is usually hidden, such as the buttock or thigh, and used to repair or rebuild the area treated with surgery.
Even if the doctor removes all the cancer that can be seen at the time of the surgery, some patients may be given 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. 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. External and internal radiation therapy are used to treat vaginal cancer, and may also be used as palliative therapy to relieve symptoms and improve quality of life.
Chemotherapy is a cancer treatment that uses drugs to stop the growth of cancer cells, either by killing the cells or by stopping them from dividing. When chemotherapy is taken by mouth or injected into a vein or muscle, the drugs enter the bloodstream and can affect cancer cells throughout the body (systemic chemotherapy). When chemotherapy is placed directly into the cerebrospinal fluid, an organ, or a body cavity such as the abdomen, 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 squamous cell vaginal cancer may be applied to the vagina in a cream or lotion.
New types of treatment are being tested in clinical trials.
This summary section describes treatments that are being studied in clinical trials. It may not mention every new treatment being studied.
Radiosensitizers are drugs that make tumor cells more sensitive to radiation therapy. Combining radiation therapy with radiosensitizers may kill more tumor cells.
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
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.
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.
Treatment options by stage
Vaginal Intraepithelial Neoplasia (VAIN)
Treatment of vaginal intraepithelial neoplasia (VAIN) 1 is usually watchful waiting.
Treatment of VAIN 2 and 3 may include the following:
- Watchful waiting.
- Laser surgery.
- Wide local excision, with or without a skin graft.
- Partial or total vaginectomy, with or without a skin graft.
- Topical chemotherapy.
- Internal radiation therapy.
- A clinical trial of a new topical chemotherapy drug.
Stage I Vaginal Cancer
Treatment of stage I squamous cell vaginal cancer may include the following:
- Internal radiation therapy.
- External radiation therapy, especially for large tumors or the lymph nodes near tumors in the lower part of the vagina.
- Wide local excision or vaginectomy with vaginal reconstruction. Radiation therapy may be given after the surgery.
- Vaginectomy and lymph node dissection, with or without vaginal reconstruction. Radiation therapy may be given after the surgery.
Treatment of stage I vaginal adenocarcinoma may include the following:
- Vaginectomy, hysterectomy, and lymph node dissection. This may be followed by vaginal reconstruction and/or radiation therapy.
- Internal radiation therapy. External radiation therapy may also be given to the lymph nodes near tumors in the lower part of the vagina.
- A combination of therapies that may include wide local excision with or without lymph node dissection and internal radiation therapy.
Stage II Vaginal Cancer
Treatment of stage II vaginal cancer is the same for squamous cell cancer and adenocarcinoma. Treatment may include the following:
- Both internal and external radiation therapy to the vagina. External radiation therapy may also be given to the lymph nodes near tumors in the lower part of the vagina.
- Vaginectomy or pelvic exenteration. Internal and/or external radiation therapy may also be given.
Stage III Vaginal Cancer
Treatment of stage III vaginal cancer is the same for squamous cell cancer and adenocarcinoma. Treatment may include the following:
- External radiation therapy. Internal radiation therapy may also be given.
- Surgery (rare) followed by external radiation therapy. Internal radiation therapy may also be given.
Stage IVA Vaginal Cancer
Treatment of stage IVA vaginal cancer is the same for squamous cell cancer and adenocarcinoma. Treatment may include the following:
- External radiation therapy and/or internal radiation therapy.
- Surgery (rare) followed by external radiation therapy and/or internal radiation therapy.
Stage IVB Vaginal Cancer
Treatment of stage IVB vaginal cancer is the same for squamous cell cancer and adenocarcinoma. Treatment may include the following:
- Radiation therapy as palliative therapy, to relieve symptoms and improve the quality of life. Chemotherapy may also be given.
- A clinical trial of anticancer drugs and/or radiosensitizers.
Although no anticancer drugs have been shown to help patients with stage IVB vaginal cancer live longer, they are often treated with regimens used for cervical cancer.
Treatment Options for Recurrent Vaginal Cancer
Treatment of recurrent vaginal cancer may include the following:
- Pelvic exenteration.
- Radiation therapy.
- A clinical trial of anticancer drugs and/or radiosensitizers.
Although no anticancer drugs have been shown to help patients with recurrent vaginal cancer live longer, they are often treated with regimens used for cervical cancer.