Table 1.
Clinical and demographic characteristics at presentation
| Patient | Sex | Age (years) | Symptoms | Onset time | allergic history | physic examination |
|---|---|---|---|---|---|---|
| 1 | M | 4 | 1, 2 | 2 months | No | Mass |
| 2 | M | 11 | 1 | 1 week | Pollen | Negative |
| 3 | M | 8 | 2, 3 | 6 days | No | Mass |
| 4 | M | 68 | No | No | No | Negative |
| 5 | M | 15 | 1, 2 | 2 weeks | Fish | Negative |
| 6 | M | 5 | 1 | 2 months | No | Negative |
| 7 | F | 6 | 1 | 5 days | No | Negative |
| 8 | F | 28 | 1 | 1 month | No | Negative |
| 9 | F | 12 | 1 | 1 week | No | Negative |
| 10 | F | 7 | 1 | 6 days | No | Negative |
Symptoms: 1: Irritative voiding symptoms, 2: Abdomen pain, 3: Intermittent hematuria.