Cervix Treament Cryosurgery

Written by Debra Stang | Published on May 30, 2012
Medically Reviewed by Brenda B. Spriggs, MD, MPH, FACP

What Is Cryosurgery?

Cryosurgery is a procedure that uses freezing gas to destroy precancerous cells on the cervix. The cervix, the lowest part of the womb or uterus, opens into the vagina. When unhealthy cells are destroyed, the body can replace them with new, healthy cells.

Cryosurgery, sometimes referred to as “cryo” or “cryotherapy” is also used to treat some sexually transmitted diseases (STDs) such as genital warts.

Cryosurgery is performed in your doctor’s office while you are awake. The procedure usually takes around 10 minutes.

Preparation for Cryosurgery

Ask your doctor if you can take an over-the-counter pain pill before the procedure to lessen cramping during the cryosurgery. Because cryosurgery makes some women feel light-headed, arrange for someone to drive you home. Watery discharge is common after this procedure, so bring a menstrual pad to the doctor’s office with you.

How Is Cryosurgery Performed?

When you arrive for your appointment, a nurse or a technician will give you a hospital gown and instruct you to undress from the waist down. You will then lie down on the examination table with your feet in stirrups, just as if you were getting a regular Pap smear.

The doctor will then put a speculum into your vagina to spread the vaginal walls. He or she may examine your cervix with a device called a colposcope. A colposcpoe allows better visualization to ensure that all the abnormal cells have been identified.

The doctor will then insert an instrument called a cryoprobe into your vagina and press it against the cervix. Nitrogen gas at about minus 50 degrees C chills the metal and creates an “ice ball” on the cervix. The ice ball kills the abnormal cells. During this part of the procedure, you may experience some chills or cramping.

For best results, the doctor will hold the cryoprobe against the cervix for three minutes. He or she will then remove it for about five minutes to allow thawing to occur, and then repeat the procedure.

Aftercare for Cryosurgery

Your doctor will schedule a Pap smear for three to six months after the procedure to make sure the abnormal cells have been destroyed and have not recurred. According to Planned Parenthood, cryosurgery has a success rate of about 85 to 90 percent (Planned Parenthood, 2012). However, if the abnormal cells are still present, your doctor may recommend a different gynecological procedure.

Generally, you will be able to return to your normal activities as soon as the cryosurgery is over. Your doctor will ask you not to douche, use tampons, or engage in vaginal intercourse for two to three weeks following cryosurgery. This gives the cervix time to heal.

If you take birth control pills, continue taking them on schedule.

For the first week or two after cryosurgery, you may notice watery or blood-streaked vaginal discharge. Don’t be alarmed. This is your body’s way of ridding itself of old, dead cells.

Risks of Cryosurgery

The most common risk of cryosurgery is mild cramping during the procedure.

Immediately after cryosurgery, some women experience dizziness upon standing up. Let your doctor or nurse know if this happens to you. A few minutes of rest should relieve this symptom.

You are at a slight risk for bleeding and infection because foreign objects are being inserted into the vagina. Contact your doctor or go to an emergency room if:

  • you experience a temperature over 100.6 degrees F
  • you notice heavy bleeding
  • you notice a thick, foul-smelling discharge

In rare cases, cryosurgery may cause scarring on the cervix, also known as cervical stenosis. This condition may make it difficult for you to get pregnant or may cause increased cramping during normal menstrual bleeding.

Be sure to tell your doctor if you are pregnant. Unless he or she believes there is no alternative, it is unwise to undergo cervical cryosurgery if you are expecting. In most cases, you can carry your pregnancy to full term and then have cryosurgery.

Precancerous cells grow slowly. Your doctor can do regular examinations to make sure there are no abnormal changes.

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