Table 3. Antenatal and postnatal characteristics of fetuses according to neonatal outcome.
| COMPLEMENTARY EXAMS | All cases of megacystis | Bladder size | |
|---|---|---|---|
| < 12.5 mm | >12.5 mm | ||
| n = 75 (100%) | n = 14 | n = 61 | |
| Karyotype | |||
| Normal | 64 (87.6) | 13 (10.9) | 44 (43.8) |
| Abnormal | 9 (12.3) | 1 (1.3) | 8 (8.2) |
| Trisomy 13 | 2 (2.7) | 0 | 2 (2.7) |
| Trisomy 18 | 5 (6.8) | 1 (1.3) | 4 (2.7) |
| Trisomy 21 | 1 (1.3) | 0 | 1 (1.3) |
| Other | 1 (1.3) | 0 | 1 (1.3) |
| Not wanted | 2 (2.7) | 1 (1.3) | 1 (1.3) |
| Pathological diagnosis | 52 (82) | Not done | 52 (65.4) |
| Informative | 35 (67.3) | 35 (44.2) | |
| LUTO | 31 (88.5) | ||
| Posterior urethral valves | 6 (17.1) | 7 (9.6) | |
| Urethral stenosis/urethral atresia | 19 (54) | 17 (23.1) | |
| Obstructing ureterocele | 2 (5.7) | 3 (3.8) | |
| Cloacal anomalies | 4 (11.4) | 4 (3.8) | |
| Cause non-obstructive | 4 (11.4) | ||
| Prune-Belly syndrome | 3 (8.6) | 3 (1.9) | |
| Other | 1 (2.8) | 1 (1.9) | |
| Not wanted | 11 (17.4) | 11 (9.5) | |
| Uninformative | 17 (32.7) | 17 (21.1) | |
(LUTO: lower urinary tract obstruction).