NUR1 239 Chapter Notes -Polycythemia, Perfusion, Hair Loss
12 Sep 2014
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1- previous history of skin disease ( allergies, hives, psoriasis, eczema) 3- change in mole ( size or color) Asymmetry ( not regularly round or oval, two halves of lesion do not look the same) Border irregularity ( notching, scalloping, ragged edges or poorly defines margins) Colour variation ( areas of brown, tan, black, blue, red, white, or combination) Diameter greater than 6mm ( ie the size of a pencil eraser), although early melanomas may be diagnosed at a smaller size. Additional symtoms; change in mole"s size, a new pigmented lesion, and development of itching, burning, or bleeding in a mole. Pallor (anemia; decreased ht, shock; decreased perfusion, vasoconstriction, local arterial insufficiency) Cyanosis ( unoxygenated hb, chronic heart and lung disease, exposure to cold, anxiety) Erythema ( hyperemia, polycythemia, carbon monoxide poisoning, venous stasis) Brown-tan ( addison"s disease, cafe au lait spots)
