In Genitourinary TB, True is -: (A) Sterile pyuria is consistent finding, (B) AFB in early morning sample is always positive, (C) MC site is pelvis, (D) Commonest cause of pyelonephritis
Answer is A. Sterile pyuria is the rule" - But about 15-20% of patients with tuberculosis have a secondary pyogenic infection, obscuring the clue - sterile pyuria. The tubercle bacilli can be identified on AFB staining of 24 hr urine specimen or the first-morning urine sample collected on 3 successive days." AFB staining is positive in about 60% of cases - Smith' Urology Most common site of genitourinary tuberculosis is - kidney The commonest cause of pyelonephritis is - E. coli Ref : Smith's Urology 17/e p195, 219