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Mohs Surgery

Mohs Surgery Introduction

Mohs micrographic surgery, a surgical treatment for skin cancer that offers a very high rate of cure, was developed by Frederick E. Mohs, MD, at the University of Wisconsin.

The technique of Mohs surgery is time-consuming and requires highly specialized training and personnel. You were referred to Skin Care Physicians of Georgia because we have the specialized training needed to perform Mohs micrographic surgery, and it has been proven to be a highly successful form of treatment for your type of skin cancer.

Types of Skin Cancer

There are three primary forms of skin cancer: basal cell carcinoma, squamous cell carcinoma and malignant melanoma. Most cases of skin cancer are either basal cell carcinoma or squamous cell carcinoma. Of the two, basal cell carcinoma occurs more frequently and grows more slowly. It rarely spreads through the blood or lymphatic systems to distant parts of the body.

Squamous cell carcinoma is the second most common skin cancer. It is more serious, since it has a greater ability to spread internally to nearby lymph nodes and to other parts of the body.

Malignant melanoma may be life threatening ifnot treated early. It usually appears as a brownish-black spot or bump in the skin that enlarges and sometimes bleeds. Sometimes melanomas arise in moles that have been present for many years.

Causes of Skin Cancer
Exposure to the sun is the leading cause of skin cancer, which commonly develops on the face, neck and arms, the most sun-exposed areas of the body. Fair skinned people develop skin cancer more frequently than dark-skinned people do. Cancers of the skin are most common in the southern United States.
Skin cancer also can be hereditary and occurs very frequently in certain ethnic groups, particularly those with fair complexion such as Northern Italians, Scandinavians and Celtics (especially Irish and Anglo-Saxons). Other possible causes of skin cancer include X-rays, chronic injury and certain chemicals.
Signs of Skin Cancer
Although most skin growths are benign, any new growth on the skin or a sore that does not heal should be brought to your dermatologist’s attention.
Skin cancer has many different appearances. It may begin as a small, waxy lump that eventually bleeds and crusts; as a dry, scaly, red patch; or in several other ways. Although it may begin very small, skin cancer can grow to become very large.

Skin cancer sometimes forms from a non- cancerous skin condition called actinic keratosis. These are red, rough patches of skin that develop as a result of sun damage and are commonly found on the face, neck or hands.

If the doctor thinks that a skin growth may be cancerous, a biopsy is performed. The whole area or a sample of the area is removed surgically and sent for examination under the microscope. The biopsy is used to confirm or rule out a diagnosis of cancer and to determine the type of any cancer found.
Treatment of Skin Cancer
Several effective methods are used to treat skin cancer. Which treatment method is chosen depends upon factors such as the location of the cancer, its size and previous therapies. The treatment methods include surgical removal, or excision, with suturing (stitching); curettage and electrodesiccation, which is scraping and burning with an electric needle; radiotherapy (X-ray treatments); cryosurgery (freezing); and Mohs micrographic surgery. Many of these treatments have high cure rates, but Mohs micrographic surgery uniformly produces the highest success rate, especially for the most difficult tumors.
What you should know about Mohs Surgery

Mohs micrographic surgery is a specialized technique for the total removal of skin cancers. The procedure is done in several steps:

  1. A local anesthetic (usually Lidocaine) is injected around the skin cancer.
  2. Surgical removal of the cancer is done in a specific fashion so that the entire under- surface and skin edges can be examined microscopically.
  3. The tissue is dyed and a corresponding map is drawn so that any tumor found microscopically can be located exactly on the patient.
  4. The surgeon then examines the slides under the microscope to look for cancer cells.
  5. Subsequent tissue is removed in a similar manner until no more cancer cells are found.

In most cases, the surgery is done on an outpatient basis; however, in some cases, the doctor may recommend hospital admission. This is especially true for patients with large tumors, but admission is the exception rather than the rule.

How to Prepare for Surgery
No real preparation, other than a good night’s sleep, is required. Eat a light breakfast on the day of surgery. If you are currently taking medication, continue as usual unless directed otherwise by your physician. Eliminate aspirin or any medications containing aspirin, such as Bufferin or Anacin, for at least two weeks before surgery. This is because aspirin tends to prolong bleeding during the operation. Also, eliminate medications containing ibuprofen, commonly found in Advil, Nuprin and Motrin, for at least three days before surgery. If you need a pain reliever, you may take acetaminophen, which is found in Tylenol. It is best to wear a shirt that buttons down the front. No makeup or jewelry should be worn if surgery is to be performed on your face. Bring a good book or magazine with you, as you will spend a significant amount of time waiting while the microscopic slides are prepared and interpreted.
What to Expect on the Day of the Surgery

Shortly after your arrival, you will be taken to one of the treatment rooms, where the tumor area will be numbed with a needle. The doctor will remove a thin layer of skin surrounding the cancer. After this has been done, any bleeding will be stopped with an electric cautery machine. You will then be bandaged and be able to return to the waiting room or you may stay in the treatment room. By this time, the removed tissue will be in our laboratory. There, it is cut, dyed and made into microscopic slides. It usually takes 20-30 minutes for the layer of tissue to be removed and the bleeding to stop. However, it takes about 1 hour for the tissue to be prepared into microscopic slides for examination. During this time you may chat with the person accompanying you, read a book or step out for fresh air. If examination of the microscopic slides reveals that your tissue still contains tumor cells, the procedure will be repeated. Further tissue is removed only from the areas where tumor cells were found.

The goal is to remove all of the skin cancer while preserving the greatest amount of healthy tissue. However, skin cancers can grow deeply and develop roots extending beyond the area that you actually see. As a result, the final size of the surgical incision will be determined by the extent of the tumor. The average number of surgical sessions required is one to three. However, you may require more before your skin cancer is completely removed. Fortunately, this can usually be done in the course of a single day. When surgery is completed, a decision will be made as to the way to manage your wound.

Schedule your Mohs Surgery Appointment

How Postoperative Wounds are Managed
Once it has been determined that your skin cancer has been completely removed, we will decide how best to manage your wound. In some instances, the wound should be allowed to heal by itself – this is called “healing by granulation.” In other cases, the wound needs to be repaired with stitches, or a skin graft or flap. The decision will depend on the size and location of your wounds. If a repair is needed, this usually can be done the same day, or in some cases, the next day by a plastic surgeon.

If your wound is left to heal by itself, you will need daily bandage changes for three to six weeks. You will be given written instructions that describe how to change your bandages.
What to Expect After Surgery

Pain. Most patients do not have severe pain, but may experience slight discomfort. If this occurs, we suggest you take two tablets of Tylenol every four hours.

Bleeding. Occasionally, bleeding follows surgery. If this happens, do not become alarmed. Lie down and place steady, firm pressure over the wound as close as possible to the bleeding area. Apply the pressure continuously for 20 minutes (timed). Do not lift the bandage to check on the bleeding. If bleeding persists after 20 minutes of steady pressure, apply pressure for an additional 20 minutes. If bleeding still continues, call our office at (478) 742-2180, or go to the nearest hospital emergency room.

Swelling. Swelling is very common following surgery, particularly when it is performed near the eye. All wounds swell a little. Usually this is not a problem, and the swelling diminishes as the wound heals. Ice packs may help to reduce the swelling.

Drainage. All wounds will drain to some extent during the first week or two. This is why frequent dressing changes are necessary.
Infection. Infection of the wound is unusual. However, if you see thick, foul-smelling fluid coming from the wound, call our office immediately. An antibiotic may be necessary.

Redness. All wounds will develop a halo of redness, which disappears gradually. If the area becomes extremely red and itchy you may be allergic to either the ointment or tape. Call our office if this condition develops.

Scarring. All surgeries leave a scar. However, your scar will improve and become less noticeable as time passes.

Stitches and skin grafts. If we close the wound with sutures (stitches) or place a skin graft, you should keep the area clean and dry until the next visit.

What to Expect After the Wound has Healed
You may experience some tightness, or drawing, as the wound heals. This is normal and usually lessens with time. Patients also commonly experience some itching after their wounds have healed. Rubbing a small amount of plain petroleum jelly on the scar often relieves this. Frequently, tumors involve nerves, and it may take up to a year, or even two years, before normal feeling returns to an area. Sometimes the area remains numb permanently. Only time will tell. The scar tissue that grows over the wound contains many more blood vessels than the skin that was removed. This results in a red scar that may be sensitive to temperature changes. This sensitivity improves with time and the redness gradually fades. Sometimes, the scar is unacceptable to the patient and the patient’s family. If this is the case, surgical scar revision may be considered. However, we usually advise patients to wait 12 months before having the scar revision performed. This is because the scar continues to improve in appearance and becomes less conspicuous up to one year after surgery.
Defense Against future Skin Cancer
The most important thing you can do to lessen the possibility or developing future skin cancers is to protect your skin from further sun damage. This is easily achieved by the daily application of sunscreens to all exposed skin, including the tops of the ears. You also may wish to obtain further protection by wearing a broad-brimmed hat and appropriate protective clothing. Apply the sunscreen 15 minutes before you go outdoors. It may wash off with water or heavy perspiration, so be sure to reapply a sunscreen after swimming or exercise, and use asunscreen labeled “waterproof.” A number of excellent sunscreens are available. Whatever sunscreen you choose, it should have a sun protection factor (SPF) of at least 15, but preferably higher.
Follow Up Visits

Once your surgery is over, periodic follow-up exams by your referring physician are important for at least five years. These visits can help with early detection and treatment of new skin cancers that may develop as well as the rare recurrence of the skin cancer that was treated. If you notice any suspicious areas on your skin between visits, it is best to check with your doctor to see if a biopsy is needed.

Macon & Middle Georgia's Premier Dermatology & Skincare Practice

We help patients look better, not different.

Our mission at Skin Care Physicians of Georgia is to provide expert individualized service to each and every patient with skill and compassion. Our board certified physicians and professional staff are highly trained and strive to deliver ethical comprehensive care to all patients and to care for them "just as they would want their family treated."

From treatment of skin conditions such as eczema, psoriasis and rosacea to removal of warts, moles and other lesions, our office provides a full range of medical dermatological services so you can enjoy the healthy skin you deserve.

Skin Care Physicians of Georgia

308 Coliseum Drive | Suite 200
Macon, GA 31217
(478) 742-2180

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