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Skin Cancer types
Skin cancer types
Question | Answer |
---|---|
Malignant Melanoma | highly metstatic, grows deep, not wide, 1/2 arise from pre-existing nevi, high risk (fair skin, sun exposure) Asymmetry (1/2 unlike), border (irregular), tan brown, black, red white blue, diameter >6mm |
basal cell CA (BCC) | most common type of skin CA, grows slowly, seldom metastasizes, on face fair skin >40, skin color papule/nodule with overlying telangiectasia, may develop a depressed center |
sqamous cell CA | grow rapidly, usually appears on hands or head (>60 y o) erythmatous scaly patch, 1cn or more, develops central ulcer |
actinic keratosis | (pink, scaly papules, maybe a precursor to SCC (squamous cell CA) |