Table 1: Urine analysis ().

InvestigationAbnormalNormal

Microscopic urine examination
 Pus cells810
 RBCs315
Urine culture3 (E. coli > 100000 CFU/mL)15
Microscopic examination for acid-fast bacilli (AFB)315
Culture for Mycobacterium tuberculosis315

1 case showed microscopic field full of pus cells; 7 cases showed 4–10 pus cells/HPF.
Urinary tract infection was found in 8 patients with a dilated ureter, out of which 3 showed growth of E. coli on urine culture, while in 2 cases Mycobacterium tuberculosis was isolated on culture (1 patient with genitourinary tuberculosis had no pus cells in urine).