Dermatology Oasis

Editor: Dr. Nameer Al-Sudany (IRAQ)

Pityriasis versicolor

Pityriasis versicolor

History

          A teenager presented with a slightly itchy, blotchy, reddish brown scaly patches and plaques mainly on the trunk of a sudden onset at the start of summer. Pityriasis versicolor is a chronic, often symptom-free or only slightly itchy fungal infection characterized by pigmentary changes. It is caused by overgrowth of the mycelial form of the commensal yeast Pityrosporum orbiculare and is particularly common in humid or tropical conditions. PV mainly affects young adults, appearing on the trunk, neck and proximal parts of the limbs and presents as brown, pink or hypopigmented oval or round scaly patches covered with branny scaling.
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