DERMATOLOGY

• Description of skin lesions should include: location, size, color, mobility, tenderness, whether elevated or ulcerated
• Seborrheic keratosis: on face, upper extremities, chest; brownish, multiple, 1mm-2cm diam., waxy, raised. BENIGN. Can tx with 5% 5-FU BID x 2wk until ulceration occurs
• Leukoplakia: PREMALIGNANT; on tongue or mucus membranes of mouth, gingiva, anus, or vagina
• Intradermal nevus: BENIGN; <1cm diam., single, well-defined, circular, elevated, brown sometimes with black spots, nonulcerated.
• Junctional nevus: PREMALIGNANT; source for most malignant melanomas; looks like intradermal nevus but larger, often ulcerated, irreg. border, heterogeneous coloration; suspect melanoma if getting darker or larger or bleeding or itching. If unsure of diagnosis between intradermal and junctional nevus, f/u Q3mos