A boy is suffering from acute pyelonephritis. Most specific urinary finding will be -: (A) W.B.C. casts, (B) Leucocyte esterase test, (C) Nitrite test, (D) Bacteria in gram stain
Answer is A. Wbc casts are seen in- Interstitial nephritis Acute pyelonephritis Allograft rejection Malignant infiltration of the kidney. Rbc casts - GN vasculitis Malignant hypeension Thrombotic microangiopathy Granular casts- ATN GN vasculitis Tubulointerstitial nephritis. Ref:Harrison 20 th edition pg no. 2106