<unk>  (also known as Henoch–Schönlein purpura) is a cutaneous condition characterized by inflammatory retiform purpura.
IgA vasculitis
Systemic vasculitis
Livedoid vasculitis
Neuro-Behçet's disease
Lupus vasculitis
Cryoglobulinemic vasculitis
Urticarial vasculitis
Mixed connective tissue disease