Table 1.
Cases of fetal hypothyroidism
| GA at MRI | Diagnosis | Hypothyroidism | Mean SIR | Highest SIR | |
|---|---|---|---|---|---|
| 1 | 31w 0d | jejunal atresia | transient | 1.456 | 1.899 |
| 2 | 27w 6d | fetal | transient | 1.525 | 2.004 |
| 33w 0d | hydrops, CNS abnormality | 1.625 | 2.378 | ||
| 3 | 34w 4d | gastroschisis | transient | 2.000 | 2.865 |
| 4 | 25w 4d | IUGR, MCDK, Down synd. | dysgenesis | 1.522 | 1.778 |
| 5 | 34w 1d | jejunal atresia | transient | 1.618 | 2.194 |
| 6 | 31w 0d | 18 trisomy | transient | 1.595 | 2.217 |
| 7 | 29w 4d | fetal hydrops, Down synd. | transient | 1.324 | 1.718 |
GA, gestational age; MRI, MR imaging; SIR, signal intensity ratios; CNS, Central nervous system; IUGR, Intrauterine growth restriction; MCDK, multicystic dysplastic kidney.