Pityriasis versicolor

 

Also called Tinea versicolor. It is not true tineae since the classical infectious agents that cause tineae does not cause this condition. It is caused by a fungal agent called Malassezia furfur which is a normal commensal on all skins but may become pathogenic in some. It converts into hyphal form with characteristic lesions encouraged by high humidity and temperature when pathogenic. The lesion is maculopapular and with light color in dark skinned persons.

 

   

 

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