Interstitial Nephritis

Common morphology of the variously caused interstitial nephritides = inflammatory reaction centred round interstitial connective tissue with histological findings of interstitial oedema, inflammatory cell infiltrate and tubular degeneration.

Acute interstitial nephritis causes acute onset renal failure.

Chronic interstitial nephritis causes -->chronic renal failure-->; interstitial fibrosis & tubular atrophy seen on histology.

Classification

By aetiology :-