316: Shapes and Configurations of Lesions

Annular

circular, begins in the center and spreads to the periphery

What is an example of an annular lesion?

tinea corpus or ringworm

confluent

lesions run together “co”

what is an example of a confluent lesion?

urticaria (hives)

discrete

distinct, individual lesions that remain separate

what is an example of a discrete lesion?

acrohordon or skin tags, once

gyrate

twisted, coiled spiral, snakelike

what is an example of a gyrate?

scabs

grouped

clusters of lesions

what is an example of a grouped lesion?

vesicles of contact dermatitis

linear

a scratch, steak, line, or stripe

what is an example of linear?

scratching

target or iris

resembles iris of eye, concentric rings of color in lesions

what is an example of a target?

erythema multiform

Zosteriform

linear arragement along a unilateral nerve route

what is an example of zosteriform?

herpes zoster

Polycyclic

annular lesions grow together

what is an example of polycystic?

lichen planus, psoriasis