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  Lisa Wong Gynecologist
  MBBS (Singapore)
  MRCOG (London)
  FAMS (Obstetrics & Gynecology)
  RCOG Accredited Sub-Specialist - Gynecological Oncology (UK)

  Gynecologist . Women's Cancer Specialist . Laparoscopic Surgeon

  Mount Elizabeth Medical Centre - Singapore

  Laser Cone Biopsy

There are many ways to treat cervical dysplasia (CIN). Factors influencing the choice of treatment for cervical dysplasia include the extent and severity of the dysplasia, the age of the woman, and whether or not she has any other gynecological problems. Often the experience of the physician or gynecologist, and the availability of equipment are also major factors.

One of the best methods of treating cervical dysplasia is the Laser Cone Biopsy. The carbon dioxide laser uses a tiny beam of light to vaporize the abnormal cells. This can usually be done in the office by the gynecologist with no or very little discomfort. The laser is directed through the colposcope so that the area and depth of treatment can be controlled precisely.

Healing after laser treatment is much faster than after freezing because dead tissue is not left behind. Studies using the latest techniques of laser treatment are showing lower failure rates with the laser than with freezing. Another important advantage is that the cervix usually heals with the squamo-columnar junction visible, so that future evaluation is easily carried out.

The major disadvantage of the laser over the cryo is that it requires sophisticated equipment, and most gynecologists do not have a laser in their office. It is much more expensive to do laser if it has to be done in the hospital. The laser is often replacing cryotherapy in centers where it is available. The laser is the treatment of choice for most cases of cervical dysplasia (CIN).

A cone biopsy is usually done as an outpatient procedure (you do not have to spend a night in the hospital). The gynecologist will let you know how you can get ready for your surgery. Medicine that makes you unconscious (general anesthetic) or that makes the entire area numb (regional anesthesia, such as a spinal or epidural) may be used.

A cone biopsy using LEEP may be done in the gynecologist's office with an injected medicine that numbs 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.

The cone biopsy may remove all of the abnormal tissue. This would mean that no further treatment is needed other than follow-up Pap tests. The edges of the cervical tissue removed by a cone biopsy may contain abnormal cells, meaning that abnormal tissue may be left in the cervix. The cone biopsy may be repeated to remove the remaining abnormal cells. If follow-up tests show normal cells, then no further treatment may be needed. If abnormal cells remain, you and your gynecologist may discuss other treatments, such as removal of the uterus (hysterectomy).

If you have a cone biopsy, you need regular follow-up Pap smear tests and colposcopic examinations. A Pap test should be repeated every 4 to 6 months or as recommended by your gynecologist. After several Pap test results are normal, you and your gynecologist can decide how often to schedule future Pap tests.

By Lisa Wong

Dokter Kandungan information

Clinic Address
Lisa Wong Women & Gynae Oncology Centre
Mount Elizabeth Medical Centre
3 Mount Elizabeth #12-17
Singapore 228510
Republic of Singapore
Online Map to Gynecology clinic

Appointments to see your gynecologist
Clinic Tel (+65) 6836 2004
Clinic Tel (+65) 6836 2008
SMS/Text (+65) 9328 2100
Fax (+65) 6836 2003

Clinic Opening Hours
Mon - Fri : 9:00am to 5:00pm
Sat : 9:00am - 1:00pm
Sun & Public Holidays: Closed



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