Background: Pityriasis rosea is an acute, inflammatory and self-limited disease, which is characterized by a primary scaly plaque (Herald patch) followed by a generalized, symmetrical papulosqumous eruption (Mostly on trunk and proximal extremities). Objective: To determine the efficacy of erythromycin in the treatment of patients with pityriasis rosea. Patients and Methods: In this doubl...

Background and objective: Pityriasis rosea (PR) is a transient skin disease with a distinct appearance that is prevalent throughout the world and is more frequently seen in winter. Despite the reported epidemiological evidence, which account for an infective agent, this has not been proved, yet. This study was designed to determine the epidemiological features of PR in terms of age, gender, sea...

This paper presents the design philosophy and initial design decisions of Herald: a highly scalable global event notification system that is being designed and built at Microsoft Research. Herald is a distributed system designed to transparently scale in all respects, including numbers of subscribers and publishers, numbers of event subscription points, and event delivery rates. Event delivery ...

Pityriasis rosea is a short-lived rash that commences initially as a large so-called ‘herald’ patch followed by a rapidly evolving eruption on the trunk and extremities. Characteristic pattern of lesions follow the lines of cleavage in a ‘christmas tree’ distribution. PR is most frequently seen between first and third decade but a range of 3 month to 83 years were reported. The incidence doesn’...

The exact aetiology of pityriasis rosea (PR) remains controversial despite research for nearly one and a half century. We report a small-scale qualitative study on the historical aspects of PR. We found that the exact time point for which the rash was first accurately described is not easily determined. There exists considerable overlap between typical and atypical PR. Important clinical signs ...