Hairy Brownish Patch
This asymptomatic, hyperpigmented lesion was first noted 5 years earlier on the left upper back of a 16-year-old boy. A nevus? Cafe au lait spot?
This asymptomatic, hyperpigmented, hairy lesion is on the left upper back of a 16-year-old boy. The pigmentation was first noted 5 years earlier; the coarse and dark hair confined to the hyperpigmented area had appeared at age 13 years. History and physical examination findings were unremarkable.
What’s your diagnosis?
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