If you have been diagnosed with skin cancer, you may be frightened – wondering how this might have happened, what you can do about it, and above all – whether you’re in serious danger.
You’re not alone. More than 1.2 million people in the United States are diagnosed with skin cancer each year, and most have probably felt the same way you do.
The good news is that while a diagnosis of skin cancer is cause for concern, (if left untreated, the disease can continue to progress), it needn’t be cause for panic. The fact that you were screened or otherwise had your skin cancer diagnosed, is an important first step.
There are several different kinds of skin cancers, distinguished by the types of cells affected. The three most common forms are:
Treatment will vary, depending on several factors.
Skin cancer is not necessarily life threatening nor does its therapy have to be disfiguring. Advanced treatment is available that offers the highest potential for cure while minimizing the cosmetic impact – even if previous treatments have failed.
Options range from common treatments to Mohs micrographic surgery, an advanced surgical technique performed by a highly trained specialist. You should be aware of the benefits and drawbacks of various options and choose a treatment that will remove all the cancer, minimize the risk of recurrence, and leave as little scarring as possible.
Treating Skin Cancer: The dermatologic surgeon will select the most appropriate treatment for a particular skin cancer or precancerous condition from among the following procedures and techniques:
Cryosurgery: Liquid nitrogen is applied directly to the skin to freeze cancerous tissue, in a more aggressive fashion than treating pre-cancerous growths. This results in a crusted wound which then heals on its own.
Curettage: Malignant tissue is scraped away with a sharp instrument. This method is most effective for small, superficial cancers that have not been treated previously. It is often followed by destruction of the cancerous tissue with an electric needle. The wound then heals on its own.
Surgical Excision: Surgical excision involves excising around and under the skin cancer with a safety-zone of normal-appearing skin, fully removing the tumor for pathologic evaluation. The wound is then reconstructed with sutures.
Mohs Micrographic Surgery (Mohs): Mohs Micrographic Surgery is an outpatient procedure performed under local anesthesia with two goals: 1) to remove skin cancers with exceptional accuracy and the highest possible cure rate available from any technique, and 2) to keep the surgical defect (wound) as small as possible by minimizing the removal of normal healthy skin.
When considering options, or to understand why previous treatments have failed, it is important to recognize that the tumor that is visible to you – even to your physician – may be just the “tip of the iceberg.” Not all cancer cells are apparent to the naked eye. Many “invisible” cells may form roots or “fingers” of diseased tissue that can extend beyond the boundaries of the visible cancer. If these cancer cells are not removed, they can lead to regrowth and recurrence of the tumor.Types of cancer most likely to form these complicated root systems are those that:
For these cancers, common treatment methods are often not successful because they rely on the human eye to determine the extent of the cancer. These methods can remove too little cancer, which could cause it to recur and require additional surgery, or too much healthy tissue, which could cause unnecessary scarring.
Once a cancer has been treated by one of these common methods and it recurs, the chances of it being cured when treated again by one of these methods becomes less likely. The scar tissue surrounding a recurrent cancer makes it extremely challenging to differentiate between healthy skin and cancerous tissue and further complicates the determination of how much tissue to remove.
Mohs micrographic surgery is an advanced treatment process for skin cancer that offers the highest possible cure rate for many skin cancers and simultaneously minimizes the sacrifice of normal tissue. The Mohs surgical technique was developed by Dr. Frederic Mohs at the University of Wisconsin from the 1950’s-1970’s. His technique has been modified over the years to arrive at the technique used today. This treatment requires a highly specialized physician who serves as a pathologist, surgeon and reconstructive surgeon.
Some skin cancers are deceptively large and may be far more extensive under the skin than they appear from the surface. These cancers may have “roots” in the skin, along blood vessels, nerves, cartilage or along scars. Mohs surgery is specifically designed to remove these cancers by tracking and removing these cancerous “roots.” The cure rate for Mohs micrographic surgery approaches 99% for primary (untreated) cancers and is slightly rates for secondary or recurrent (previously treated) skin cancers, while limiting sacrifice of uninvolved tissue. This provides the foundation for the best reconstructions and limits scarring and disfigurement. Mohs micrographic surgery remains the most effective method for curing non-melanoma skin cancers such as Basal Cell Carcinoma, Squamous Cell Carcinoma and others (Sebaceous Carcinoma, Dermatofibrosarcoma protuberans, Bowens Carcinoma, etc.) available in the world today.
Patients often want to know how a defect is going to be reconstructed, how long the process will take or how large the cancer is at the beginning of the day. Unfortunately, this information is not possible to give at this time. Mohs micrographic surgeons are often able to provide closure of the wound, following tumor removal, at the time of surgery. However, patients with larger defects or those affecting specialized anatomic structures following tumor removal may be referred to a plastic surgeon, otolaryngologist (ear, nose, and throat surgeon), ophthalmologist (oculoplastic surgeon) should the Mohs surgeon be unable to do so on the day of surgery.
It is important to note that Mohs surgery is not an appropriate treatment for all skin cancers. Cancers in areas such as the nose, ears, eyelids, lips, hairline, hands, feet, and genitals as well as previously unsuccessfully treated are great candidates. Most insurance policies cover the costs of Mohs surgery and the reconstruction of the surgical area. Please contact your insurance carrier directly for definitive information.
In the vast majority of cases, the wound can be dealt with on the same day as the Mohs procedure. The anesthesia used will usually continue to be local anesthetic or sometimes supplemented with an oral sedative. In more difficult cases where it is necessary for complicated reconstructive procedures to be performed, it may be necessary to send the patient through a hospital or surgery center where general anesthetic or deep sedation is used.
There is a wide range of options in dealing with wounds created by Mohs surgery. These include:
Postoperative care is usually straightforward involving cleansing the wound area and doing dressing changes. More complicated situations such as grafting usually involve a dressing, which is allowed to stay on the wound for a few days since it assists in immobilization of the graft so that the body can grow blood vessels into it to nourish it and allow it to take. The number of postoperative visits depend on how complicated the wound is and how much oversight is required. In some areas it may be possible to place dissolving stitches, which require minimal if any care making the postoperative course less arduous for the patient.
Complications of surgery are typically standard and include blood loss, especially if a patient is on blood thinners in which case a discussion should be held with the surgeon as to the benefits or risks involved in stopping blood thinners. Infection is also a risk in approximately 4% to 6% of patients. Patients are not usually placed on antibiotics routinely unless they are considered at greater risk for infection, usually due to the location of the wound being near an orifice such as the mouth or ear canal, which has a higher number of bacteria. Scarring is a natural process of the body healing the wound. This is a lengthy progression, which incorporates multiple stages and types of collagen and actually takes many months even though the wound is closed. Instructions regarding optimal care of the wound postoperatively to minimize scarring are given to the patient. There may be tissue loss or loss of part of a flap or skin graft and these situations are handled on an individual basis. In most cases, the body will slough off the necrotic or dead tissue and heal the area again. Again, this will require additional care for the wound.
Some patients have a tumor, which invades the area of a nerve, therefore requiring interruption of the nerve and possibly limited to loss of sensation in an area. There are, however, a few superficial motor nerves that go to muscles, which can be injured or removed in the course of surgery. Depending on the situation location, these may or not be repaired at a later date. In some patients due to scar tissue and damaged nerves, the patient can have chronic pain in the area. Fortunately, this is a very rare complication of surgery.
Revisions of the surgical site are not often required. They are usually done in 6 to 12 months after the original surgery allowing the wound to mature and soften as well as improve as time goes by. Initially the surgical site does not appear pretty, but it usually improves significantly and satisfactorily as time progresses.
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