Prolonged skin involvement distinguishes adolescent from childhood-onset IgA vasculitis: a large multicenter study with 687 patients.
Immunoglobulin A vasculitis (IgAV), also known as Henoch- Schönlein purpura (HSP), is the most common systemic vasculitis in childhood. Potential differences in demographic characteristics, clinical presentation, laboratory findings, and treatments approaches across age groups,…