From Holding a Pen Too Long?

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Poll

Is the nail dystrophy secondary to trauma, or something else?

This asymptomatic lesion on the dorsum of a 15-year-old boy’s left hand extends on to the first 2 fingers and has produced nail dystrophy. The patient is otherwise healthy and denies any history of trauma to the hand.

What is your diagnosis?

Trauma
Linear lichen planus
Linear scleroderma
Raynaud phenomenon
Linear epidermal nevus

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