<prompt> IgA nephropathy has all the following characteristics except -HematuriaHypeensionNephritic syndromeThin basement membrane on renal biopsy  <response>: Histologically, the lesions in IgA nephropathy vary considerably. The glomeruli may be normal or may show mesangial widening and segmental inflammation confined to some glomeruli focal proliferative GN; diffuse mesangial proliferation mesangioproliferative GN; or rarely ove crescentic GN. The characteristic immunofluorescence picture is of mesangial deposition of IgA, often with C3 and properdin and smaller amounts of IgG or IgM. Ref: Robbins basic pathology 9th edition page 530 