Answer: Pop Quiz #19

Violaceous Erythema

Correct Answer: B. Ultrasound of ovaries

Explanation:

This photo demonstrates violaceous erythema on the knees consistent with gottron’s sign of dermatomyositis. Initial workup for adult dermatomyositis involves a malignancy screening including ovarian ultrasound in females, because ovarian cancer is overexpressed in dermatomyositis.

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