Basal Cell Carcinoma

What Is Basal Cell Carcinoma (BCC)?

Basal cell carcinoma (BCC) is the most common form of cancer, with about a million new cases estimated in the U.S. each year. It is rarely a threat to life. Basal cells line the deepest layer of the epidermis. Basal cell carcinomas are malignant growths–tumors–that arise in this layer. Basal cell carcinoma typically affects people of fair complexion with a history of prolonged sun exposure, or repeated episodes of sunburn. The tendency to develop basal cell carcinoma may be inherited. They usually grow slowly over months or years.

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What Causes Basal Cell Carcinoma?

The sun is responsible for over 90 percent of all skin cancers, including BCCs, which occur most frequently on the sun-exposed areas of the body: face, ears, neck, scalp, shoulders and back.

How is Basal Cell Carcinoma Diagnosed?

Basal cell carcinoma can usually be diagnosed with a simple biopsy and is fairly easy to treat when detected early. However, 5 to 10 percent of BCCs can be resistant to treatment or locally aggressive, damaging the skin around them, and sometimes invading bone and cartilage. When not treated quickly, they can be difficult to eliminate. Fortunately, however, this is a cancer that has an extremely low rate of metastasis, and although it can result in scars and disfigurement, it is not usually life threatening.

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How is BBC Treated?

There is no one best method to treat all skin cancers and precancers. The choice is determined by many factors, including the location, type, size, whether it is a primary tumor or a recurrent one, the health and preference of the patient, and the physician’s experience with the technique. For example, a treatment that has a high cure rate and is painless but leaves a large scar might be acceptable for a tumor on the body, but not on the face.

Almost all treatments can be performed in the physician’s office or in a special surgical facility. Most skin cancer removal can be done using a local anesthetic. Rarely, extensive tumors may require general anesthesia and hospital admission.

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Current Methods of Treating BCC Are:

  • Curettage-electrodessication
  • Cryosurgery
  • Chemotherapy: topical or injection
  • Excisional surgery
  • Mohs micrographic surgery
  • Radiation
  • Laser therapy
  • Photodynamic therapy

Cure rates for most of the modes of therapy are excellent – from 85 to 99 percent for primary basal cell carcinomas.

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Who is At Risk?

Anyone with a history of frequent or intermittently intense sun exposure can develop BCC, but a number of factors increase risk:

Time Spent Outdoors

People who work outdoors – construction workers, groundskeepers, lifeguards, etc. – are at greater risk than people who work indoors, as are those who spend their leisure hours in the sun.

Skin Type

Fair-skinned individuals who sunburn easily and tan minimally or not at all have a higher incidence of skin cancer than dark-skinned individuals. Check our skin type chart to see how at risk you are.

Hours of sunlight

The more hours of sunlight in the day, the greater the incidence of skin cancer. For example, there are more cases in Arizona, Texas and Florida – states that are closer to the equator and get more sun – than in the more northern states of Maine, Oregon and Washington.

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What Are The Warning Signs?

The five most typical characteristics of basal cell carcinoma are shown in the pictures below. Frequently, two or more features are present in one tumor. In addition, BCC sometimes resembles noncancerous skin conditions such as psoriasis or eczema. Only a trained physician can decide for sure. If you observe any of the warning signs or some other change in your skin, consult your physician immediately.

Open Sore

An open sore that bleeds, oozes or crusts and remains open for a few weeks. A persistent, non-healing sore is a very common sign of an early basal cell carcinoma.

Reddish Patch

A reddish patch or irritated area, frequently occurring on the chest, shoulders, arms or legs. Sometimes the patch crusts. It may also itch or hurt. At other times, it persists with no noticeable discomfort.

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Shiny Bump

A Shiny Bump or nodule that is pearly or translucent and is often pink, red or white. The bump can also be tan, black or brown, especially in dark-haired people, and can be confused with a mole.

Pink Growth

A Pink Growth with a slightly elevated rolled border and a crusted indentation in the center. As the growth slowly enlarges, tiny blood vessels may develop on the surface.

Scar-Like Area

A Scar-Like Area which is white, yellow or waxy, and often has poorly defined borders. The skin itself appears shiny and taut. This warning sign can indicate the presence of small roots, which make the tumor larger than it appears on the surfac

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