By Susan F. Lien and Julia R. Nunley, MD, Author at Clinical Advisor

By Susan F. Lien and Julia R. Nunley, MD

All articles by By Susan F. Lien and Julia R. Nunley, MD

Spreading scaly patches on the trunk and limbs

A 58-year-old man complained of an asymptomatic scaly, erythematous rash that had been present for five years. The presumptive diagnosis was eczema or psoriasis. Prior biopsies had been nondiagnostic and topical corticosteroids had been only sporadically beneficial. Early lesions had involved only his buttocks; now more than 70% of his total skin surface was involved.…

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