Henoch-Schonlein purpura

Last updated: Saturday, 04, December, 2010
ManifestationsAppropriate Tests

A systemic vasculitis with characteristic clinical features: FBC, platelet count, blood film; PT, APTT; electrolytes, urea, creatinine; urinalysis.

Throat swab, antistreptolysin O titre if there is a history of sore throat (to exclude alternative diagnosis).

Renal biopsy with IF if there is evidence of renal involvement (mesangial IgA deposits).

Skin biopsy (vascular IgA deposits).

Palpable purpura

Transient arthralgias/arthritis

Abdominal colic

Gastrointestinal bleeding