Contact Dermatitis

MD IQ

Photo Challenge

Raised Linear Plaques on the Back

A 77-year-old man with a history of hypertension, hyperlipidemia, and nonmelanoma skin cancer presented to the dermatology clinic for evaluation...

Photo Challenge

Oval Brown Plaque on the Palm

A 43-year-old woman presented with a painful lesion on the palm of 30 years’ duration that had grown in size. Physical examination revealed an...

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