What is chronic interstitial nephritis?

Chronic interstitial nephritis is a group of tubular atrophy and interstitial cell infiltration and fibrosis of the outstanding performance of the disease, corresponding to the glomerular and vascular lesions minor. Clinically, the disease early in the main renal dysfunction; Disease late progress to chronic renal failure. In addition to its causes chronic pyelonephritis caused by chronic infection interstitial nephritis, then there were drug-induced. 