Clinical Transcriptomics in Systemic Vasculitis (CUTIS)
Multi-center observational study to evaluate the histopathology and transcriptome of cutaneous lesions in patients with several different types of vasculitis.
• Have a cutaneous lesion (purpuric macules, palpable purpura, retiform purpura, nodules, ulcers, or urticarial) believed to be related to active vasculitis
• Have a suspected or confirmed diagnosis of:
‣ Cryoglobulinemic vasculitis (CV)
⁃ Drug-induced vasculitis
⁃ Eosinophilic granulomatosis with polyangiitis (EGPA)
⁃ IgA vasculitis
⁃ Isolated cutaneous vasculitis
⁃ Granulomatosis with polyangiitis (GPA)
⁃ Microscopic polyangiitis (MPA)
⁃ Polyarteritis nodosa (PAN)
⁃ Urticarial vasculitis
• Be willing and able to provide written informed consent (or assent for those under