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Skin Diseases

Skin Diseases

Fact check on this common disorder…

How much do you know about erythema annulare centrifugum?

A 67-year-old woman noted the appearance of several non-tender, rock-hard, purple-colored nodules on her legs. Her medical history was significant for distant non-Hodgkin lymphoma. The violaceous color and configuration of the skin lesions suggests which of the following?

Allergic contact dermatitis is common, can be debilitating for patients, and may mimic other dermatoses.

Scaling erythema; Epstein-Barr virus infection; one blue, one brown iris . . . test yourself with this 5-question quiz.

A 56-year-old woman presents with pruritic skin lesions on the arms and legs. What does this pattern suggest?

A new tender lesion in a man with T2 diabetes; hypertension and gout; TMJ osteochondroma . . . your answers to questions on these and other maladies?

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