Most common infectious agent associated with chronic pyelonephritis is:
Chronic pyelonephritis: Bacteriological examination of the urine reveals: E.Coli ( most common ) Proteus species Streptococcus faecalis Pseudomonas species Microscopic features: Tubular thyroidization (filled with colloid casts) Interstitial fibrosis and inflammation Obliterative endaeritis of vessels
Proteus vulgaris
Klebsiella pneumonia
Staphylococcus
E.Coli
Kidney disorders