Derm Dx: An elderly man with multiple intensely itchy dark red bumps

A 65-year-old man presents with multiple, intensely itchy dark red bumps on his limbs and back that are excoriated and crusted from scratching.

The bumps began on his arms have persisted, continue to grow in number and seem to be causing the patient anxiety. History is positive for severe unremitting pruritus and hepatitis C.

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