Author : Abdulrahman Sulaiman, Alaa
journal of kerbala university,
2013, Volume 9, Issue 1, Pages 222-229
Background and objectives: Pityriasis versicolor is a common superficial fungal infection of the skin causing scaly discolored lesions involving mainly the trunk. The aim of this study is to assess the morphological and pigmentary variation of pityriasis versicolor in Erbil city.
Patients and Methods: The study sample consists of 120 patients with pityriasisversicolor attending the department of dermatology and venereology at Rizgary teaching hospital in Erbil city. A thorough history was taken and clinical examination was done. The evoked scale sign, Wood’s light examination and skin scraping with potassium hydroxide (KOH) preparation was done for all patients.
Results: Out of the120 patients with pityriasisversicolor, 62 were females and 58 were males with a mean age of 26.1 years ±10.8 (SD). The trunk was the most commonly involved site. Duration was variable from one week to 20 years and recurrence was present in 51.7% of the patients. Hyperpigmented lesions were present in 41.7%, 12.5% had hypopigmented lesions and 35.8% had combinations of both. Erythematous lesions were present in10%. No significant association was found between skin type and colour of the lesions. Evoked scale sign was positive in 93.3%, wood’s light examination was positive in 90.8% and KOH examination was positive in 71.7% of patients.
Conclusion: Pityriasis versicolor is one of the most common disorders of pigmentation, and it is a disease of the young adults;all types of pigmentary variations in pityriasis versicolor are present.