Basicmedical Key

Acropustulosis of Infancy Larissa V. Furtado, MD Key Facts Terminology Infantile acropustulosis Clinical Issues Predominantly occurs during 1st 3 years of life Not limited to young children Involves primarily acral…

Erythema Multiforme and Related Disorders Julie E. Jackson, MD Chandra N. Smart, MD Key Facts Terminology EM minor (von Hebra): Typical targetoid skin lesions with mild or no mucous membrane…

Pigmented Purpuric Dermatoses Gonzalo De Toro, MD Key Facts Clinical Issues More common in males, between 3rd-6th decade Usually bilateral purpuric lesions, on lower extremities (pretibial and on the ankles),…

Contact Dermatitis George R. Collins, DO Joseph Susa, DO Clay J. Cockerell, MD Key Facts Terminology Allergic contact dermatitis (ACD): Inflammatory skin disorder initiated by contact with an allergen to…

Psoriasis Cary Chisholm, MD Key Facts Terminology Synonym: Psoriasis vulgaris Clinical Issues Incidence 1-3% of the population is affected Age Mean age of presentation: 25-35 years Presentation Sharply demarcated erythematous…

Perniosis Wang L. Cheung, MD, PhD Key Facts Terminology Cold or wet-induced inflammatory reaction at acral sites Clinical Issues Multiple erythematous papules or plaques on fingers and toes Symmetrical distribution…

Ichenoid Keratosis Cary Chisholm, MD Key Facts Terminology Benign lichenoid keratosis (BLK), lichen planus-like keratosis (LPLK), involuting lichenoid plaque, solitary lichen planus Clinical Issues Upper extremities and trunk Solitary circumscribed…

Zoon Balanitis Gonzalo De Toro, MD Key Facts Clinical Issues Benign process with chronic course, with only a few cases that respond to corticosteroids In men, most of the cases…

Stasis Dermatitis Cary Chisholm, MD Key Facts Clinical Issues Age Middle-aged and elderly individuals Site Distal extremities, abdomen Appearance Brown to black discoloration of affected areas Erythematous, pruritic, scaly papules…

Pityriasis Rosea David L. Hall, MD Tammie Ferringer, MD Key Facts Terminology Common, self-limited, acute papulosquamous eruption of salmon-pink, oval lesions on the trunk, neck, and proximal extremities Clinical Issues…