Exposure: Skin tumors develop because of exposure to UV or cutaneous carcinogens. Majoiry are basal cell Ca, some squamous and melanoma. If appearance of superficial ulcer then Efudex (fluorouracil) (5 FU cream used) Otherwise excisional bx required if lesion enlarges. When pigmented wide excision for possible melanoma needed.
Answered 2/7/2015
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