Table 5. Radiologic findings in abdominal computed tomography and abdominal ultrasonography.
| Radiologic finding | Computed tomography | Ultrasonography | ||
|---|---|---|---|---|
| Number | % | Number | % | |
| Number | 29 | 3.98 | 66 | 36.67 |
| APN | 407 | 77.23 | 65 | 36.11 |
| APN with urolithiasis | 8 | 1.52 | 0 | 0.00 |
| APN with hydronephrosis | 6 | 1.14 | 3 | 1.67 |
| APN with urolithiasis & hydronephrosis | 1 | 0.19 | 0 | 0.00 |
| Urolithasis | 14 | 2.66 | 4 | 2.22 |
| Hydronephrosis/hydroureter | 16 | 3.04 | 6 | 3.33 |
| Renal abscess | 21 | 3.98 | 2 | 1.11 |
| Perinephric abscess | 1 | 0.19 | 1 | 0.56 |
| APN with emphysematous cystitis | 1 | 0.19 | 1 | 0.56 |
| Medical renal disease/PKD | 3 | 0.57 | 18 | 10.00 |
| Others | 20 | 3.80 | 14 | 7.78 |
| Total | 527 | 100 | 180 | 100 |
APN, acute pyelonephritis; PKD, polycystic kidney disease