Alimentary tract duplications are rare congenital malformations with few re
ports of the antenatal sonographic appearance. Early diagnosis is of;paramo
unt importance to prevent complications. We present a case of a cystic gast
ric duplication diagnosed antenatally at 31 weeks' gestation, which was tre
ated successfully. Simultaneously, we review all published cases of prenata
lly diagnosed enteric duplications. Copyright (C) 2000 John Wiley & Sons, L
td.