Purpose. We examined the potential role of sonography in the prenatal diagn
osis of the VATER association, a spectrum of fetal anomalies that includes
vertebral defects, imperforate anus, tracheoesophageal fistula, and radial
and renal dysplasia.
Methods. The sonographic findings in 4 fetuses with prenatal diagnoses of V
ATER association were prospectively recorded, along with information on out
come and postnatal radiographic findings.
Results. VATER association was diagnosed in 4 fetuses at 20, 17, 21, and 29
weeks' menstrual age; All showed bilateral radial atresia and tracheoesoph
ageal fistula, visible sonographically as a collapsed or absent stomach wit
h polyhydramnios. Two fetuses had vertebral defects. Postnatal radiographic
and macroscopic findings confirmed the prenatal diagnosis in all cases. Ot
her associated anomalies detected prenatally included single umbilical arte
ries (2 cases), ventricular septal defect (1 case), and renal abnormalities
(2 cases). Anal atresia, present in 3 of the 4 fetuses, was not detected p
renatally.
Conclusions. This small series suggests that the VATER association can be r
eadily diagnosed in utero. Important clues include radial atresia, absent o
r collapsed stomach, and polyhydramnios. Prenatal diagnosis can contribute
to clinical decisions regarding pregnancy and neonatal management. (C) 1999
John Wiley & Sons, Inc.