Pityriasis rosea in a patient with retrovirus infection: a reply

Pityriasis rosea in a patient with retrovirus infection and a history of syphilis and positive results of infection with hepatitis A virus, hepatitis B virus and hepatitis C virus

Association of pityriasis rosea with Human Herpesvirus-6

Background: Pityriasis rosea (PR) is a common papulosquamousskin disorder that is suspected to have an infectious etiology.We aimed to study the role of human herpesvirus-6 (HHV-6) inthe pathogenesis of PR.Method: We used immunohistochemical (IHC) assays to detectHHV-6 in patients with PR. Fifty-one patients with PR and 35 ageand sex matched healthy control samples were enrolled in thestudy. Th...

A Case-Control Study on the Take-Off Sign in Lesional Skin Biopsies of Patients with Pityriasis Rosea

Dear Editor-in-Chief   Lesional histopathological features in pityriasis rosea (PR) are non-specific (1).  Our aim here is to investigate whether a histopathological take-off sign (TOS) is associated with PR.

Atypical Pityriasis Rosea with a Target-Shape Herald Patch

Pityriasis rosea (PR) is an acute, self-limiting papulosquamous exanthem. A number of atypical variants of PR, regarding morphology and distribution of the lesions or severity of the symptoms, may be observed. Herein, we present the first case of atypical PR with hypopigmented lesions and a target-shape herald patch.

Azithromycin in Pityriasis Rosea: A Double-Blind, Placebo-Controlled Clinical Trial

Background: Pityriasis rosea is an inflammatory skin disorder with a known response to erythromycin. Considering similarities between erythromycin and azithromycin and lesser adverse effects of the latter, in a pilot study, we gave azithromycin to seven patients with pityriasis rosea and observed a noticeable improvement. The aim of this study was to evaluate the efficacy of azithromycin ...