Cutaneous Polyarteritis Nodosa

**Semantic type:** Disease or Syndrome

**Definition:** 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.

**Synonyms:** - Cutaneous PAN - Cutaneous PAN