Other Diagnoses
- Idiopathic (cutaneous only) vasculitis (39%)
- Primary systemic vasculitis (14%): Henosch-Schonlein Purpura (HSP), Granulomatosis w/Polyangiitis (GPA), Polyarteriitis Nodosa (PAN), Eosoinophilic Granulomatosis w/Polyangiitis (EGPA), Microscopic Poyangiitis (MPA), Giant Cell Arteriitis (GCA)
- Connective tissue disease (11%): Lupus, Rheumatoid Arthritis, Sjogren's
- Other systemic disorders (2%): Behcet's, Sarcoidosis, IBD, Cryoglobulinemia
- Infections (22%): upper respiratory tract, viral hepatitis, Strep, Staph or other systemic bacteremias
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