Dept of Obstetrics and Gynecology, Hôpital Félix Guyon, rue des Topazes, 97400 Saint-Denis, Reunion Island, France. Ph : 0262 90 55 22.

This is a 26-year-old woman G1. Her triple test and ultrasound scan at 13 weeks was normal. At 21 weeks of gestation, the following abnormalities were noted:

1. Bilateral ventriculomegaly with normal vermis
2. Oligohydramnios
3. Absent gastric bubble
4. Bilateral hyperechoic kidneys with no corticomedullary differentiation
5. The urinary bladder was not visualized
6. Normal renal artery insertions were noted. There were 2 umbilical arteries and the spine was normal.

Bilateral ventriculomegaly with normal vermis

Bilateral hyperechoic kidneys with no cortico-medullary differentiation
 

There were 2 umbilical arteries and the spine was normal.

Normal renal artery insertions were noted

The pregnancy was terminated at 22 weeks. Post-mortem examination revealed bilateral multicystic dysplastic kidneys with cysts seen in the cortex and medulla. The heart and lungs were normal. The final diagnosis was multicystic dysplastic kidneys with oligohydramnios.