Sterile pyuria – Medicine MCQ

Sterile pyuria is characteristic of ?

A. Chronic hydronephrosis
B. Renal cell carcinoma
C. Renal tuberculosis
D. Nephroblastoma

Correct answer : C. Renal tuberculosis
Sterile pyuria

Sterile pyuria refers to the presence of more than 5 white blood cells (WBC’s) per high power field in the absence of bacteria in a routine urine specimen
It can be either due to various causes
    Infectious etiology
    Systemic conditions
    Structural defects of kidney
    Intrinsic renal pathology
Although hydronephrosis can also cause sterile pyuria, it is a characteristic feature of renal tuberculosis

Read about the Causes of sterile pyuria