Content » Vol 99, Issue 7

Investigative Report

Pityriasis Rosea Recurrence is Much Higher than Previously Known: A Prospective Study

Mavişe Yüksel
DOI: 10.2340/00015555-3169


Pityriasis rosea is a common acute exanthema of unknown aetiology, which causes severe anxiety. In this study, the demographic data of pityriasis rosea patients, who presented to our clinic between 2013 and 2017, were prospectively recorded. The patients with a confirmed pityriasis rosea diagnosis were followed up for 4 years in order to investigate the recurrence rate. Of the clinically suspected patients, having a typical history of pityriasis rosea manifestations, a herald patch, and/or secondary coloured squamous lesions, 400 were confirmed by biopsy to have pityriasis rosea. The 4-year follow-up was completed in 212 patients, of whom 136 (64.2%) were female and 76 (35.8%) were male. The recurrence rate was determined as 25.9% at the end of the 4-year follow-up period.


Pityriais rosea is a self-limiting acute exanthem of unkown causes. Pityriais rosea is known to recur in some patients. In two retrospective studies involving large case series, the frequency of recurrence was reported as 3.7% and 2.8%. Between the years of 2013–2017, 212 patients admitted to the dermatology outpatient clinic of Istanbul Medipol University were included in the study. In the current prospective study, we found this rate to be 25.9%. It is considered that the rate of pityriais rosea recurrence is actually greater than reported in the literature.

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