Skin Lesion Nomenclature

Question 1

MACULE

Answer 1

change in the color of the skin

flat

> 1 cm = patch

Question 2

PAPULE

Answer 2

solid raised lesion

distinct borders

> 1 cm diameter = Nodule

Question 3

PLAQUE

Answer 3

solid

raised

flat-topped

> 1 cm in diameter

Question 4

VESICLE

Answer 4

raised lesions

filled with clear fluid

> 1 cm in diameter = bullae

Question 5

PUSTULE

Answer 5

circumscribed elevated lesion

contains pus

commonly infected (as in folliculitis)

but may be sterile (as in pustular psoriasis)

Question 6

TELANGIECTASIA

Answer 6

permanent dilatation of superficial blood vessels in the skin

isolated phenomena or as part of a generalized disorder, such as ataxia telangiectasia.