The diagnosis of pityriasis rosea is based on clin - ical and physical examination findings. Classic pityriasis rosea starts with a herald patch on the trunk (Figures 1 and 21) in up to 90% of cases.3 ness of acyclovir in the treatment of pityriasis rosea. A systematic review and meta-analysis. An Bras Dermatol. 2018; 93(5):686-695. 6. Voss V, Mattox A, Guo M. Concurrent pityriasis rosea and Bell’s palsy. BMJ Case Rep. 2017;2017:bcr2016218069. 7. Drago F, Broccolo F, Zaccaria E, et al. Pregnancy outcome in patients with pityriasis rosea. June 13, 2023 at 6:00 a.m. EDT. Pityriasis rosea is a temporary but often unbearably itchy skin rash. (Courtesy of Adam Friedman/The Full Spectrum of Dermatology Atlas ) 6 min. Before the pandemic Pityriasis rosea predstavuje kožné ochorenie, ktoré sa spočiatku prejavuje tvorbou červenej ekzematóznej škvrny. V neskorších štádiách sa môže objaviť výsev vyrážok po celom tele. Prvotne sa však škvrna objavuje na hrudníku alebo chrbte, no neskôr aj na iných častiach tela. pi·tyr·i·a·sis ro·se·a. ( piti-rīă-sis rō-zēă) A self-limited eruption of macules or papules involving the trunk and, less frequently, extremities, scalp, and face; the lesions are usually oval and follow the crease lines of the skin; the onset is frequently preceded by a single larger scaling lesion known as the herald patch. Pityriasis rosea is a common skin condition affecting 0.15% of the general population. This condition is more often than not diagnosed clinically by appearance and symptoms. The rash can be itchy. Pityriasis (pit-ih-RIE-uh-sis) rosea can happen at any age but is most common between the ages of 10 and 35. It tends to go away on its own within 10 weeks. Treatment may help relieve the symptoms. The rash persists for several weeks and heals without scarring. 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. Pityriasis rosea (PR) is a common and self-limiting papulosquamous skin condition. It presents with the most distinguishable sign of a larger “herald” patch with a collarette of scale at the margins, followed by smaller, finer, bilateral erythematous scaly plaques. The lesions commonly occur over the trunk and extremities in a blaschkolinear “Christmas tree” distribution. PR is most lwTa.

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