Following is true of pyonephrosis except:: (A) Commonly associated with renal calculi, (B) Always unilateral, (C) Is a complication of hydronephrosis, (D) Follows acute pyelonephritis
Answer is B. Ans. (b) Always unilateralRef: Smith 17th Edition, Pages 204-206# In pyonephrosis kidney is a bag of pus.# Most common cause is stones followed by Infected hydronephrosis and acute pyelonephritis# Mostly unilateral but can be bilateral also# Percutaneous nephrostomy is the initial treatment# Subcapsular nephrectomy is needed sometimes.