<prompt> IgA-nephropathy is seen in -Membranous glomerulonephritisMesangioproliferative glomerulonephritisFocal glomerulonephritisCresentic glomerulonephritis  <response>: IgA nephropathy IgAN is a mesangial proliferative glomerulonephritis characterized by diffuse mesangial deposition of IgA. At one time, the term benign recurrent hematuria was also used for IgAN, but it is now known to be an impoant cause of end-stage renal disease ESRD . Ref Harrison20th edition pg 299 