Category Dermatology

Porokeratoses

Evidence Levels: A Double-blind study B Clinical trial ≥ 20 subjects C Clinical trial < 20 subjects D Series ≥ 5 subjects E Anecdotal case reports Open full size image The porokeratoses are uncommon disorders of keratinization presenting as keratotic…

Polymorphic light eruption

Evidence Levels: A Double-blind study B Clinical trial ≥ 20 subjects C Clinical trial < 20 subjects D Series ≥ 5 subjects E Anecdotal case reports Open full size image Polymorphic light eruption (PLE) is a highly prevalent photosensitivity disorder,…

Polycystic ovary syndrome

Evidence Levels: A Double-blind study B Clinical trial ≥ 20 subjects C Clinical trial < 20 subjects D Series ≥ 5 subjects E Anecdotal case reports Open full size image Polycystic ovary syndrome (PCOS) is an endocrine disorder that affects…

Pityriasis rubra pilaris

Evidence Levels: A Double-blind study B Clinical trial ≥ 20 subjects C Clinical trial < 20 subjects D Series ≥ 5 subjects E Anecdotal case reports Open full size image Pityriasis rubra pilaris (PRP) is a rare, papulosquamous disorder with…

Pityriasis rosea

Evidence Levels: A Double-blind study B Clinical trial ≥ 20 subjects C Clinical trial < 20 subjects D Series ≥ 5 subjects E Anecdotal case reports Open full size image Pityriasis rosea (PR) is a common, acute, self-limiting, papulosquamous disorder…

Pityriasis lichenoides chronica

Evidence Levels: A Double-blind study B Clinical trial ≥ 20 subjects C Clinical trial < 20 subjects D Series ≥ 5 subjects E Anecdotal case reports Open full size image Pityriasis lichenoides chronica (PLC) typically consists of small, erythematous papules,…

Pinta and yaws

Evidence Levels: A Double-blind study B Clinical trial ≥ 20 subjects C Clinical trial < 20 subjects D Series ≥ 5 subjects E Anecdotal case reports Open full size image Pinta and yaws belong to the group of neglected endemic…

Peutz–Jeghers syndrome

Evidence Levels: A Double-blind study B Clinical trial ≥ 20 subjects C Clinical trial < 20 subjects D Series ≥ 5 subjects E Anecdotal case reports Created by Dr. Edward Cowen from . Open full size image Peutz–Jeghers syndrome…