Clinical study of a typical Pityriasis rosea in patients attending the department of dermatology and venereology at Rizgary Teaching Hospital in Erbil city

ABSTRACT

The aim of this study was to measure the rate of a typical cases of pityriasis rosea among dermatological visit and to outline the various clinical presentations of a typical pityriasis rosea disease. This descriptive study was conducted for a period extended from October 2007 through June 2008. 88 patients who diagnosed to have pityriasis rosea were enrolled in this study. The diagnosis was based on history and clinical examination; questionnaire was designed to provide relative data and all patients' data were recorded at time of diagnosis. Investigations in certain cases were done to aid in the diagnosis. A typical pityriasis rosea was found in 38.5% patients. Absence of herald patch in 17% of patients, papular rosea in 8%, inverse pityriasis rosea in 6.8%, localized pityriasis rosea in 4.5%, unilateral/inverse in 1.1% and urticarial in 1.1% of patients A typical pityriasis rosea is not uncommon and different forms of a typical pityriasis rosea exist. Investigations are sometimes needed to confirm the diagnosis