Nephritis; Pyelonephritis; Renal Disease 

IgA nephritis (also known as Berger's disease and synpharyngitic glomerulonephritis) is a form of glomerulonephritis (inflammation of the glomeruli of the kidney). It presents with hematuria and generally resolves spontaneously, but a proportion of patients develops chronic renal failure. IgA is the antibody which accumulates in the kidney and probably plays a central role in the disease.

The right kidney is close enough to the appendix that inflammatory problems in the kidney-for example, an abscess-can mimic appendicitis.

IgA Nephropathy as related to Kidney Diseases