Nonmelanoma skin cancer usually develops slowly, invading and destroying nearby tissues.
It may take months or years for basal cell or squamous cell carcinomas to
develop. Because of this slow growth, skin cancer can often be detected and
treated early in its development, increasing the chance for a cure.
Stage 0 melanoma is defined by the American Joint Committee on Cancer's TNM classification system:
Tis, N0, M0
Patients with stage 0 disease may be treated by excision with minimal, but microscopically free, margins.
Current Clinical Trials
Check for U.S. clinical trials from NCI's list of cancer clinical trials that are now accepting patients with stage 0 melanoma. The list of clinical trials can be further narrowed by location, drug, intervention, and other criteria.
Basal cell carcinoma can invade normal skin tissue and
damage deeper tissues, such as muscles and bones, and affect the appearance of
the skin. Basal cell carcinoma very rarely spreads (metastasizes) to other
parts of the body.
After you have one basal cell carcinoma, you are more likely to have another one develop in a new place. If basal cell carcinoma comes back at the same place (recurs), it may grow
faster and cause more tissue damage.
Squamous cell carcinoma
Squamous cell carcinoma is more invasive than basal cell and can
spread from the scalp, ears, eyelid, nose, or lip to other areas of the body.
But it rarely spreads (metastasizes) to other parts of the body.
Sometimes a squamous cell carcinoma starts as actinic keratosis, which are small rough spots that grow in sun-damaged skin. Actinic
keratosis is not a skin cancer, but it may lead to skincancer.
WebMD Medical Reference from Healthwise
October 01, 2010
This information is not intended to replace the advice of a doctor.
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