Echogenic dilated bowel loops before 21 weeks' gestation: a new entity.

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Abstract
The purpose of this study was to determine the outcome at birth for fetuses in which echogenic dilated bowel loops (EDBL) are detected before 21 weeks of gestation.A retrospective study was undertaken of 45 patients with EDBL. Sonographic criteria included dilated bowel with an echogenic wall. EDBL was divided into two categories: the isolated and the complex (associated with other abnormalities). When the EDBL affected only one quadrant of the fetal abdomen, it was referred to as the local form, and when it was observed in more than one quadrant, it was termed the diffuse form.Intestinal dilatation of 2-8 mm was revealed on sonography in 21 fetuses with the isolated form of EDBL. Follow-up sonography showed resolution of EDBL in 20 cases. The outcome at birth was normal in 19 (90%) cases. The 20th fetus was born with jejunal atresia, and the remaining fetus died after cordocentesis. Twenty-four fetuses with the complex form of EDBL also had intestinal dilatation of 2-8 mm shown on sonography. Nine (38%) ...

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