| 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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