EULAR/PReS reported consensus criteria for the diagnosis of Henoch-Schonlein Purpura in a pediatric population. This is a modification of the ACR criteria.
Patient selection: pediatric patient
Pattern of vasculitis: non-granulomatous inflammation of small blood vessels (with granulocytes)
Clinical criteria for the diagnosis of Henoch Schonlein purpura:
(1) palpable purpura
(2) one or more of the following:
(2a) diffuse abdominal pain
(2b) predominance of IgA deposition in immunofluorescence performed on any biopsy
