Condition	Characteristics
Tinea corporis	Pink annular plaques with central clearing and scale at the active (leading) border; positive result on potassium hydroxide preparation
Urticaria	Pink to red pruritic, round, edematous, blanchable plaques that change morphology over several hours or with stroking
Subacute cutaneous lupus rythematosus	Pink to red papules and polycyclic plaques with thin scale and usually telangiectasia and dyspigmentation; occur in sun-exposed areas
Erythema annulare centrifugum	Pink to red polycyclic plaques on trunk, buttocks, and inner thighs with trailing (inner border) scale
Granuloma annulare	White to pink flat-topped papules without scale that coalesce to form an annular plaque on extensor surfaces