Pityriasis Lichenoides Julie E. Jackson, MD Chandra N. Smart, MD Key Facts Terminology PLEVA Mucha-Habermann disease, febrile ulceronecrotic Mucha-Habermann disease Recurrent crops of erythematous papules of unknown etiology favoring children…
Lipodermatosclerosis Wang L. Cheung, MD, PhD Key Facts Terminology Sclerosing panniculitis, membranous lipodystrophy, sclerodermiform hypodermitis Clinical Issues Acute phase: Extremely painful, violaceous plaques in lower legs Chronic phase: Hyperpigmented induration…
Behçet Disease Brian J. Hall, MD Bruce R. Smoller, MD David J. DiCaudo, MD Key Facts Microscopic Pathology Diagnosis is primarily clinical Oral and genital lesions often show nonspecific ulceration…
Polyarteritis Nodosa Wang L. Cheung, MD, PhD Key Facts Terminology Vasculitis of medium- and small-sized blood vessels Clinical Issues Livedo reticularis with ulcers Painful nodules in lower extremities Systemic symptoms:…
Transient Neonatal Pustular Melanosis Larissa V. Furtado, MD Key Facts Clinical Issues Benign, self-limited dermatosis Most commonly occur in African-American infants (˜ 4-5%) No gender predilection Lesions are apparent at…
Graft vs. Host Disease Julie E. Jackson, MD Chandra N. Smart, MD Key Facts Terminology Multisystem disease affecting skin and gastrointestinal tract occurring in immunosuppressed transplant recipients Occurs as a…
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…
