<prompt> A child develops non-blanching Macules and papules on lower extremities, mild abdominal pain and skin biopsy showed IgA deposition. Most appropriate diagnosis isDrug induced vasculitisHSPWegeners granulomatosisKawasaki disease  <response>: H.S. purpura is characterized by a tetrad ofPurpura,Arthritis,Glomerulonephritis andAbdominal pain.Diagnosis of H.S.purpuraDiagnosis is based on signs and symptoms.Skin biopsy demonstrates leukocytoclastic vasculitis with IgA and C3 deposition.Renal biopsy demonstrates IgA in mesangium. 