Sandbox

Name	Raised/Palpable	Fluid-Filled	Other Description	Diagram
Patch	No	None	Large macule (flat, colored)
Plaque	Yes	None	Superficially raised, circumscribed solid area
Nodule	Yes	None	Distinct large papule
Bulla	Yes	Clear	Large vesicle (blisters if epidermal layer completely sloughed off)
Wheal	Yes		Firm and edematous plaque (edema of the dermis)

Name	Size	Raised	Palpable	Fluid-Filled	Other Description	Diagram
Macule	Small (<0.5cm)	No	No	None	flat, cirumscribed, colored	Macule and patch
Papule	Small (<0.5cm)	Yes	Yes	None	Solid	Papule
Vesicle	Small (<0.5cm)	Yes	Yes	Clear
Pustule	Small (<0.5cm)	Yes	Yes	Pus	Leukocytes or keratin	Papule

Nodules

Ulcer, fissue, and erosion