Sterile Pyuria is characteristically seen in -
Urinary frequency, dysuria ,nocturia, hematuria and flank or abdominal pain are common presentations. The documentation of culture negative pyuria in acidic urine should raise the suspicion of TB. Ref:Harrison 20 th edition pg no 1244
Renal Tuberculosis
Chronic Hydronephrosis
Wilm's Tumor
Neuroblastoma
Kidney