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What is A boy is suffering from acute pyelonephritis. Most specific urinary finding will be- and explain in detail?
Answer is A (W.B.C) Presence of W.B.0 cast in urine of patients with suspected pyelonephritis is considered pathognomic. 'Leucocyte casts (W.B. C cast) are present in the urine of some patients with Pylonephritis and the detection of these is considered pathognomic'