Evidence Levels: A Double-blind study B Clinical trial ≥ 20 subjects C Clinical trial < 20 subjects D Series ≥ 5 subjects E Anecdotal case reports Courtesy of Herbert Goodheart and Bob Rudolf Open full size image A port wine…
Evidence Levels: A Double-blind study B Clinical trial ≥ 20 subjects C Clinical trial < 20 subjects D Series ≥ 5 subjects E Anecdotal case reports From Lebwohl MG. Atlas of the Skin and Systemic Disease. Churchill Livingstone: Elsevier, 1995.…
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…
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,…
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…
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…
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…
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 et varioliformis acuta (PLEVA) is an eruption of…
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,…
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 Pitted keratolysis (PK) manifests as shallow, punched-out, circular erosions, primarily…