The prevalence of pityriasis versicolor in the dormitories of the Lorestan University of Medical Sciences by the three methods: skin scraping, use of scotch tape and wood’s lamp

Rostami, Sanaz and Bagheri, Fatemeh and Sepahvand*, Asghar and Farhadi, Ali and Derikvandi, Atefeh and Rouzbahani, Eiman and Abbasi, Mohamad and Nazari, Sama (2016) The prevalence of pityriasis versicolor in the dormitories of the Lorestan University of Medical Sciences by the three methods: skin scraping, use of scotch tape and wood’s lamp. yafte, 18 (1).

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Abstract

Background : Pityriasis versicolor is a chronic, recurrent and often asymptomatic infection of stratum corneum, Which is caused by lipophilic yeasts of Malassezia. Human to human transmission through direct contact is possible. The present study aimed to assess the prevalence of pityriasis versicolor in the dormitories of the Lorestan University of Medical Sciences by the three methods: skin scraping, use of scotch tape and wood’s lamp was perfumed. Materials and Methods: In this descriptive cross-sectional study,115 students in the dormitories of the university of medical sciences were studied with the three methods:skin scraping, using scotch tape and wood’s lamp. Results: Among 115 patients, 66.94% were female and 33.05% were male. The mean age was 21.38 years.25% of boys and 11.1% of girls were affected.The prevalence of Pityriasis versicolor by the three methods was determined 15.7%. In this study, the most common site of infection was shoulder and neck. Conclusion: The recent study showed a high prevalence of Pityriasis versicolor in Lorestan University of Medical Sciences students . The prevalence of pityriasis versicolor had a statistically significant difference between males and females, and was more common in females . The pairwise comparison results obtained from the three methods using the Kappa coefficient, scotch tape method was the most consistent results than the other two methods. Keywords: Pityriasis versicolor, Malassezia, Dormitory, Skin scraping, Scotch tape, Wood’s lamp.

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