NCIt related terms : Classic Polyarteritis Nodosa;
NCIt definition : A necrotizing vasculitis that affects medium-sized arteries, it is usually idiopathic,
and may be triggered by viral infections (Hepatitis B, also others). A multisystem
disease, it most commonly affects skin (nodules, livedo reticularis) and peripheral
nerves; higher morbidity is associated with gastrointestinal, central nervous system,
cardiac, and/or other organ involvement. Anti-neutrophil cytoplasmic antibodies (ANCA)
are typically negative.;