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Slow growing locally destructive carcinoma of basal cell layer |
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Malignant, nodular, tumor arising from squamous cells in epithelium |
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Cancer that arises in melanocytes |
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Most common Sunlight exposure (UVB) most significant factor Fair-skinned persons |
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UVB light HPV Immunocompromised Chemical carcinogens Smokers |
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Presence precursor lesions Family history Fair complexion, red or blonde hair, freckles Excessive sun exposure |
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painless sore that will not heal |
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Recent change in long-standing skin lesion Lesion that burns, itches, hurts, or bleeds |
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Waxy or “pearly” appearance with telangiectatic vessels |
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Papular, nodular, ulcerated, sclerosing pigmented lesions
Slow growing – 1 to 2 cm
May have central crust or erosion |
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Thick adherent, keratotic scale Honey colored exudate May be eroded, crusted, ulcerated, hard, erythematous, isolated or multiple |
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Small red nodule, papule, or plaque progresses to induration Thick adherent, keratotic scale |
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Asymmetry in shape Border is irregular and often scalloped Color is mottled Diameter is usually large . 6.0 mm Elevation is almost always present Enlargement or increase in size |
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Diameter is usually large . 6.0 mm |
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Border is irregular and often scalloped |
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Simple excision or curettage |
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Referral Excision, curettage or Mohs surgery |
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Referral excision of area with adequate margins Possible lymph node dissection Close f/u for recurrence of metastasis |
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slow growing, rarely metastasizes, may recur within 5 yrs |
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