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Skin Diseases

Localized Eczema: What Cause

What strategy will you choose to help cure this woman’s local rash?

Skin Diseases

The rash is moderately pruritic and has been present for 2 years. Originally on the trunk and extremities it has now spread to her face and hands. She has been diagnosed as having and been unsuccessfully treated for nummular eczema and tinea corporis. What's your diagnosis?

The asymptomatic atrophic brown plaques on this woman’s legs were diagnosed as necrobiosis lipoidica. The differential diagnosis included lupus erythematosus and granuloma annulare.

Venous lakes

Polymorphic light eruption, phototoxicity, solar purpura, basal cell carcinoma, squamous cell carcinoma, keratoacanthoma, venous lakes, photosensitivity—a look at the many adverse effects of too much sun exposure.

A 6-year-old boy had a 1-month history of an intensely pruritic “rash” on the left dorsal foot and left lower leg. He had a recent history of walking barefoot on a beach in south Florida where dogs are allowed. What's your diagnosis?

This week’s quiz questions challenge you to determine the cause of an infant’s “strange breathing” based on a chest film, to come up with the most common cause of chronic cough in children, to be a dermatologic detective, among other things.

A 4-year-old, previously healthy girl presented with large, tense bullae involving up to 40% of her body surface area. Her parents described a 12-day history of itchy, papulovesicular lesions that had progressed into large blisters. Your dx?

A toddler from Nigeria, whose parents remained there ill with AIDS, presented with a fever and a widespread itchy eruption. Tests for HIV infection were positive. Which systemic etiologies can be ruled out when such an eruption presents?

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