Classically, pityriasis rosea begins as an erythematous ... with a typical collarette of scale at the margin. At times, the herald patch may be absent or overlooked. In one series, only 17% ...

Pityriasis rosea (PR) is an acute inflammatory skin disorder characterized by erythematous scaling papules and macules. PR lesions are most commonly distributed over the trunk and proximal ...

The center of the lesion is flat with a bran-like scale overlaying normal skin ... In conclusion, PJPPD is a distinct disease from human pityriasis rosea with different gross and histopathological ...

Why is pityriasis versicolor more visible in hot or humid weather? “The patches often have sharp borders or edges, and they don’t darken in the sun. They also typically have a very fine scale ...