Afeature of Renal Vascultitis in children is -
In the kidney, IgA vasculitis (Henoch Schonlein purpura) is characterized by IgA deposits in a pa of the glomerulus where blood is filtered. These may range from increased cells in the filtering area, increase in white blood cells, and abnormal cell growth in some pas of the filter. Ref Harrison20th edition pg 288
IgA raised
Antinuclear antibody in serum
Low completment level
Cytoplasmic antinuclear antibody
Kidney