12 PRIMARY LESIONS (FLAT, RAISED, FLUID FILLED (RAISED))
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Primary Lesions
RAISED LESIONS
FLAT LESIONS
FLUID FILLED (RAISED)
Macule Flat, circumscribed, discolored, <1cm
For example: freckles, flat nevi, petechia PATCH flat, irregular, >1cm (vitiligo)
PAPULE SOLID, ELEVATED, CIRCUMSCRIBED <1CM
E.G.RAISED NEVUS, WART [VERRUCA]
HINH NGON TAY PLAQUES COALESCED (GROUPING TOGETHER) PAPULES, >1CM (PSORIASIS) NODULE SOLID, ELEVATED, 1-2CM (LIPOMA = FATTY GROWTH) TUMOR LARGER THAN A FEW CENTIMETERS, FIRM OR SOFT (LIPOMA - FAT TUMOR) DOESNT MEAN CANCER, TUMOR CAN BE BENIGN OR MAGLINANT WHEAL SUPERFICIAL, RAISED, ERYTHEMATOUS, IRREGULAR (ALLERGIC REASTION, PPD, MOSQUITO BITE) - CAUSES INTERSTITIAL EDEMA <1CM URTICARIA (HIVES) WHEALS COALESCE TO FORM EXTENSIVE REACTION; INTENSELY PRURITIC, >1CM VESICLE ELEVATED CAVITY WITH CLEAR LIQUID, <1CM (HERPES CIMPLEX, VARICELLA [CHICKEN POX], HERPES ZOSTER [SHINGLES], CONTACT DERMATITIS [E.G., POISON IVY] .. MUN COC NHO BULLA ELEVATED CAVITY WITH FLUID, >1CM (CLISTER, BURNS).... MUN COC BU PUSTULE CONTAINS PUS, FILLED WITH LEUKOCYTES, NOT NECESSARILY INFECTED (ACNE) ... CREAMY CYST ENCAPSULATED FLUID FILLED CAVITY IN DERMIS OR SUB-Q (SEBACEOUS CYST) IF DEEP, MAY BE HARD TO DIFFERENTIATE FROM A NODULE OR TUMOR (E.G. BREAST CYST VERSUS TUMOR)
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