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Skin Cancer/Melanoma

Skin Cancer / Melanoma

KMC Dermatology

Skin cancer is the most prevalent of all cancers. Estimates vary on its occurrence but it is estimated that approximately 700,000 Americans develop skin cancer every year.

The principal cause of skin cancer is almost universally accepted by medical experts to be overexposure to sunlight, especially when it results in sunburn and blistering. Other less important factors include repeated medical and industrial x-ray exposure, scarring from diseases or burns, occupational exposure to such compounds as coal and arsenic, and family history.

Prevention is a matter of guarding the skin against the known causes. Since the sun and its ultraviolet rays would seem to be the main culprit, the most effective preventative method is sun avoidance. Limit the exposure of the skin to harmful rays by covering up and using sunscreens with at least a 15 SPF rating.

It is a simple routine to inspect your body for any skin changes. If any growth, moles, sore or discoloration appears suddenly or begins to change, see your dermatologist.

According to the American Academy of Dermatology (AAD), to determine whether or not a mole is suspicious, it is helpful to keep in mind the ABCDE’s of Melanoma:

Asymmetry — one half doesn’t match the other half.

Border irregularity — The edges are ragged, notched or blurred.

Color — The pigmentation is not uniform. Shades of tan, brown, and black are present. Dashes of red, white and blue add to the mottled appearance.

Diameter — greater than six millimeters (about the size of a pencil eraser) any growth of a mole should be of concern.

Evolving – any change in a previously stable “mole” or “beauty mark”, including its disappearance or loss of pigment (color) in or around the lesion.

Periodic Self-Examination

Prevention of melanoma/skin cancer is obviously the most desirable weapon against this disease. But if a lesion should develop, it is almost totally curable if caught in the early stages. To aid in early recognition of any new or developing lesion, periodic self-examinations are helpful. The following is a suggested method of self-examination that will ensure that no area of the body is neglected. To perform your self-examination you will need a full length mirror, a hand mirror and a brightly lit room.

1. Examine body front and back in mirror, then right and left sides, arms raised.

2. Bend elbows, look carefully at forearms, back of upper arms and palms

3. Next, look at backs of legs and feet, spaces between toes and soles.

4. Examine back of neck and scalp with a hand mirror. Part hair to lift.

5. Finally, check back and buttocks with a hand mirror.

Precancerous Skin Conditions

Actinic Keratosis are small scaly spots most commonly found on the face and back of the hands in fair-skinned individuals who have had significant sun exposure. If they are not treated, some of them may become skin cancer requiring more extensive treatment. If they are diagnosed in the early stages, actinic keratosis can be removed by cryotherapy (freezing), by applying a topical form of chemotherapy or by other outpatient procedures.

Basal Cell Carcinoma

This tumor of the skin usually appears as a small, fleshy bump or nodule on the head, neck and hands. Occasionally these nodules may appear on the trunk of the body, usually as flat, red, scaling growths. Basal cell carcinomas seldom occur in dark-skinned persons; they are the most common skin-cancers found in Caucasians. It has been found that people who have this cancer frequently have light hair, eyes and complexions, and they don’t tan easily. These tumors don’t spread quickly. It may take many months or years to reach a diameter of one half inch. Untreated, the cancer will begin to bleed, crust over, and then repeat the cycle

Squamous Cell Carncinoma

Squamous cell carcinoma is the second most common skin cancer found in Caucasians. This tumor may appear as nodule (bump) or as red, scaly patch. It typically is found on the rim of the ear, the face, the lips and mouth. It is rarely found on dark-skinned persons. This cancer will develop into large masses. Unlike basal cell carcinoma, it can metastasize. It is estimated that there are 2,300 deaths from non-melanoma skin cancers every year.

The cure rate for both basal cell and squamous cell carcinoma is 90 percent, when properly treated.

Malignant Melanoma

It is projected that this most lethal of all skin cancers develops on the skin of 32,000 Americans annually. And every year an estimated 6,800 Americans will die from melanoma. It is important to note that the death rate is at last declining, because patients are seeking help earlier. Melanoma, like it’s less aggressive cousins, basal cell and squamous cell carcinomas, is almost always curable in early stages. Melanoma has its beginnings in the melanocytes, the skin cells that produce the dark protective pigment called melanin. It is melanin that is responsible for suntanned skin, acting as partial protection against sun. Melanoma cells usually continue to produce melanin, which accounts for the cancers appearing in mixed shades of tan, brown and black. Melanoma has a tendency to spread, making it essential to treat.

Melanoma may suddenly appear without warning but it may also begin in or near a mole or other dark spot in the skin. For that reason it is important that we know the location and appearance of the moles on our bodies so any change will be noticed. Excessive exposure to the sun, as with the other skin cancers, is accepted as a cause of melanoma, especially among light-skinned people. Heredity may play a part, and also atypical moles, which may run in families, can serve as markers, identifying the person as being at higher risk for developing melanoma there or elsewhere in the skin.

Dark brown or black skin is not a guarantee against melanoma. Black people can develop this cancer, especially on the palms of the hands, soles of the feet, under nails, or in the mouth. Other warning signs include: changes in the surface of a mole; scaliness, oozing, bleeding or the appearance of a bump or nodule; spread of pigment from the border into surrounding skin; and change in sensation including itchiness, tenderness, or pain.

How Skin Cancer is treated

If a laboratory test reveals that an area of the skin is cancerous, the dermatologist has an array of procedures to choose from, dependent on the needs of the individual patient. In the treatment of any of the skin cancers, early detection and removal is the best defense. Fortunately, skin cancers are relatively easy to detect and most can be cured. Even malignant melanoma, if caught in its early stages, can be treated successfully. Dermatologists recommend that one helpful way to guard against melanoma/skin cancer is to do periodic self-examinations. Get familiar with your skin and your own pattern of moles, freckles and “beauty marks.” Be alert to changes in the number, size and shape and color of pigmented areas. If any changes are noticed, call your dermatologist.

KMC Dermatology

Topeka, Lawrence, Manhattan, Legends, Shawnee, Leawood

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All information provided herein is for educational purposes only. If you have a medical condition, please consult a physician to get a proper diagnosis and treatment plan.

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