MRI of fetal GI tract abnormalities.

[megacystis-microcolon-intestinal hypoperistalsis syndrome]

We describe the magnetic resonance (MR ) patterns of a variety of fetal gastrointestinal (GI ) abnormalities . Thirty -two fetuses between 23 and 38 weeks ' gestation with abnormal appearance of the GI tract by ultrasound underwent MR imaging with T 1 - and T 2 -weighted sequences . The MR aspect of intestinal atresia (duodenal atresia , one case ; small bowel atresia , nine cases ) included dilatation of the bowel loops , accurate assessment of the normal bowel distal to the atresia (except in the patient with multiple atresia and apple-peel syndrome ), and micro-rectum with decreased T 1 signal (except in the patient with duodenal atresia ). Megacystis-microcolon -intestinal hypoperistalsis syndrome (one case ) was indicated by an abnormal signal of the entire bowel and an abnormal pattern for the urinary tract . Meconium pseudocysts (two cases ) were easily differentiated from enteric cysts (two cases ). High anorectal malformations with (two cases ) or without (one case ) urinary fistula and cloacal malformation (one case ) are described and MR findings are discussed . The capability of MR imaging to demonstrate the normal bowel with intraperitoneal anomalies (e .g ., congenital diaphragmatic hernia , and sacrococcygeal teratoma ) is emphasized . MR imaging is informative in the diagnosis of GI tract abnormalities , especially the severe malformations , with much more accuracy than sonography .

Diseases
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Diseases presenting "with much more accuracy than sonography" symptom

megacystis-microcolon-intestinal hypoperistalsis syndrome

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