Table 2.

Descriptions of skin lesions3., 6., 8.

Lesion	Description	Size (in diameter)	Relationship to skin
Petechiae	Deposit of blood	<0.5 cm	Flat
Macule	Discoloration, color varies	<1 cm	Flat
Papule	Solid, color varies	<0.5 cm	Elevated
Plaque	Circumscribed, solid; often formed by confluence of papules	>0.5 cm	Elevated
Nodule	Solid	>0.5 cm	Elevated
Wheal	Firm, transient	Can vary	Elevated
Vesicle	Circumscribed, fluid filled	<0.5 cm	Elevated
Bulla	Circumscribed, fluid filled	>0.5 cm	Elevated
Pustule	Circumscribed, fluid filled with leukocytes	Can vary	Elevated
Erosion	Does not penetrate below dermal-epidermal junction and heals without scarring	Can vary	Depressed
Ulcer	Focal loss of epidermis and dermis, heals with scarring	Can vary	Depressed