IgA nephropathy

IgA nephropathy (IgAN), also known as IgA nephritis, Berger disease (/bɛərˈʒeɪ/) (and variations), or synpharyngitic glomerulonephritis, is a disease of the kidney (or nephropathy), specifically it is a form of glomerulonephritis or an inflammation of the glomeruli of the kidney.