Loop Electrosurgical Excision Procedure (LEEP) for Abnormal Cervical Cell Changes
The loop electrosurgical excision procedure (LEEP) uses a thin, low-voltage electrified wire loop to cut out abnormal tissue. LEEP can:
LEEP is also known as large loop excision of the transformation zone (LLETZ).
A vinegar (acetic acid) or iodine solution, which makes abnormal cells more visible, may be applied to the cervix before the procedure is done.
How it is done
LEEP is usually done at your doctor's office, a clinic, or a hospital as an outpatient procedure (you do not have to spend a night in the hospital).
You will need to take off your clothes below the waist and drape a paper or cloth covering around your waist. You will then lie on your back on an exam table with your feet raised and supported by footrests (stirrups). Your doctor will insert an instrument with curved blades (speculum) into your vagina. The speculum gently spreads apart the vaginal walls, allowing the inside of the vagina and the cervix to be examined.
Medicine is injected to numb the cervix (cervical block). If a cervical block is used, an oral pain medicine or pain medicine given into a vein (intravenous, or IV) may be used in addition to the local anesthetic.
What To Expect After Surgery
Most women are able to return to normal activities within 1 to 3 days after LEEP is performed. Recovery time depends on how much was done during the procedure.
When to call your doctor
Call your doctor if you have any of the following symptoms:
Why It Is Done
How Well It Works
LEEP is a very effective treatment for abnormal cervical cell changes. During LEEP, only a small amount of normal tissue is removed at the edge of the abnormal tissue area.
After LEEP, the tissue that is removed (specimen) can be examined for cancer that has grown deep into the cervical tissue (invasive cancer). In this way, LEEP can help further diagnosis as well as treat the abnormal cells.
LEEP is as effective as cryotherapy or laser treatment. If all of the abnormal cervical tissue is removed, no further surgery is needed, though abnormal cells may recur in the future. In some studies, all the abnormal cells were removed in as many as 98% of cases.1
What To Think About
Loop electrosurgical excision procedure (LEEP) is less expensive and easier to perform than cone biopsy or carbon dioxide laser treatment.
A biopsy is done to confirm the abnormal cervical cell changes before a LEEP procedure is done.
If you have LEEP, you need regular follow-up Pap tests. A Pap test should be repeated every 4 to 6 months or as recommended by your doctor. After several Pap test results are normal, you and your doctor can decide how often to schedule future Pap tests.
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