Pityriasis Rosea: From the Early Descriptions to the Modern Diagnostic Criteria

Antonio AT Chuh
University of Hong Kong and Queen Mary Hospital, Hong Kong SAR, China

Pityriasis rosea (PR) is a universal eruption and epidemiology studies are reported worldwide. The cardinal features are a herald patch, present in 40–60% of patients, a subsequent secondary eruption, peripheral collarette scaling, relative truncal distribution, symmetry, orientation along lines
Return to top