Primary Lesions Flashcards
Papule
ELEVATED SOLID less than 1 cm in diameter, may be the same color as surrounding skin
EX: wart, pimple, ringworm
Macule
FLAT pigmented circumscribed area less than 1 cm in diameter
EX: freckle, flat mole
Nodule
ELEVATED SOLID larger and deeper than a papule, extends into the dermal area
EX: benign or malignant tumor
Tumor
ELEVATED SOLID larger than 2 cm in diameter extends into the dermal and hypodermal area
EX: lipoma, steatoma
Wheal
ELEVATED SOLID localized skin swelling, paler in the center than the edges
EX: hives, insect bites
Vesicle
ELEVATED FLUID-FILLED less than .5 cm in diameter
EX: poison ivy, shingles, chickenpox
Pustule
ELEVATED FLUID-FILLED contains pus, usually less than 1 cm in diameter
EX: acne, furuncle, scabies
Bulla
ELEVATED FLUID-FILLED vesicle or blister larger than 1 cm in diameter
EX: second degree burns, severe poison oak/ivy