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Describe skin legions
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Macule
A flat lesion <1 cm in size without elevation or depression
Patch
A flat lesion >1 cm in size without elevation or depression
Papule
An elevated, solid lesion <1 cm in size
Plaque
An elevated, solid lesion >1 cm in size
Vesicles
Circumscribed elevations of the skin containing clear fluid, <1 cm in diameter
Bullae
Circumscribed elevations of the skin containing clear fluid, >1 cm in diameter
Pustules
Papules containing a purulent exudate that may be white, yellow, or greenish-yellow
Erosion
Skin lesion with loss of epidermis
Ulcer
Skin lesion with loss of epidermis and dermis (deeper than erosion)
Annular
Circular with central clearing (ie, ring shaped)
Cerebriform
Resembling the convolutions of the brain surface
Discoid
Round, circular, resembling a disc
Polycyclic
Multiple rings
Targetoid
Resembling an archer’s bull’s eye
What does ABCDE guide stand for?
Asymmetry
Border
Color
Diameter
Evolution