title: Prenatal diagnosis of fetal exencephaly associated with amniotic band sequence at 17 weeks of gestation by fetal magnetic resonance imaging.
abstract: We report a fetus with exencephaly diagnosed by fetal magnetic resonance imaging (MRI) at 17 weeks of gestation. Fetal ultrasound performed at 13 and 17 weeks of gestation suggested occipital encephalocele. However, the fetal MRI done at 17 weeks of gestation showed exencephaly and suggested amniotic bands as the cause. By providing early and precise information regarding the abnormality and the possible etiology, the fetal MRI enabled us to provide the couple and their families with accurate information regarding the low recurrence risk of this condition.
authors.affiliation: Department of Pediatrics, Division of Clinicaland Metabolic Genetics, Hospital for Sick Children, Toronto, Canada.
authors.forename: M
authors.initials: M
authors.lastname: Rohrbach
authors.forename: D
authors.initials: D
authors.lastname: Chitayat
authors.forename: J
authors.initials: J
authors.lastname: Drake
authors.forename: L
authors.initials: L
authors.lastname: Velsher
authors.forename: W L
authors.initials: WL
authors.lastname: Sirkin
authors.forename: S
authors.initials: S
authors.lastname: Blaser
mesh_terms: D000015:Abnormalities, Multiple; D037881:Aborted Fetus / Q000002:abnormalities; D000025:Abortion, Eugenic; D000328:Adult; D000652:Amniotic Band Syndrome / Q000150:complications* / Q000175:diagnosis; D003025:Clubfoot; D005260:Female; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D008279:Magnetic Resonance Imaging; D009436:Neural Tube Defects / Q000175:diagnosis* / Q000196:embryology; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods*; D012886:Skull / Q000002:abnormalities; D016216:Ultrasonography, Prenatal