Table 1.
Summary of the clinical course of the three cases
| Case 1 | Case 2 | Case 3 | |
|---|---|---|---|
| Prenatal ultrasonography | |||
| Polyhydramnios | + | + | + |
| Dilated stomach | + | + | + |
| Snowflake sign | – | – | – |
| Other anomaly | – | – | – |
| Time of diagnosis (WGA) | 32 | 31 | 30 |
| Delivery | VD | CS | CS |
| Gestational age (weeks) | 34 | 36 | 36 |
| Birthweight (g) | 2114 (+ 0.4 SD) | 2204 (− 1.1 SD) | 2276 (− 0.8 SD) |
| Apgar score (1 min/5 min) | 8/9 | 8/9 | 8/9 |
| Associated anomaly | – | – | – |
| Operation | Pyloroplasty | GD | GD |
| H-M | Diamond | Side-to-side | |
| Time to oral full feeding (days) | 18 | 9 | 14 |
| Complications | – | – | – |
| Follow-up (months) | 135 | 111 | 79 |
WGA weeks of gestational age, VD vaginal delivery, CS cesarean section, SD standard deviation; GD gastroduodenostomy; H-M Heineke–Mikulicz