label: Cutaneous Polyarteritis Nodosa
label_lc: cutaneous polyarteritis nodosa
description: A form of vasculitis that involves small to medium size arteries of the dermis and subcutaneous tissue. The disorder manifests with tender subcutaneous nodules, livedo reticularis, cutaneous ulcers and necrosis; while internal organ involvement is typically spared, extra-cutaneous symptoms may be present.