Pityriasis versicolor (PV) is a cutaneous pigmentation disorder caused by a lipophilic yeast of the genus Malassezia sp. It is a superficial mycosis that occurs worldwide, especially in tropical and ...

Pityriasis rubra pilaris is a skin condition with many different clinical presentations. History, histology, clinical presentation, its different classified forms, treatments, and differential ...

Pityriasis rubra pilaris is an important disease to be aware of and understand. The differential diagnosis includes psoriasis, seborrheic dermatitis, phrynoderma, atypical keratosis pilaris ...