Table 2 Preoperative imaging studies
Total | Positive | Negative | |
|---|---|---|---|
Urinary ultrasound (US) | 26 (100%) | 24 (92.3%) | 2 (7.7%) |
Intravenous urography (IVU) | 26 (100%) | 20 (76.9%) | 6 (23.1%) |
Computerized tomography urography (CTU) | 7 (26.9%) | 6 (85.7%) | 1 (14.3%) |
Magnetic resonance urography (MRU) | 3 (11.5%) | 3 (100%) | 0 (0%) |
Pyelography (antegrade or retrograde) | 7 (26.9%) | 7 (100%) | 0 (0%) |