title: Congenital gastric outlet obstruction by pyloric membrane: prenatal and postnatal diagnosis and management.
abstract: Congenital gastric outlet obstruction is a rare condition representing only 1% of all gastrointestinal atresias. Prenatal diagnosis is uncommon and mostly confined to the third trimester of cases presenting a combination of polyhydramnios with dilated stomach. We report a case of congenital gastric outlet obstruction by pyloric membrane which was diagnosed prenatally in the third trimester by sonography and magnetic resonance imaging. The anomaly appeared to be isolated, thus a favorable outcome was expected. A baby girl weighing 3,430 g was delivered spontaneously at 36 weeks. Postnatal imaging methods confirmed the presence of a congenital gastric obstruction. 21 h after delivery, the baby underwent laparotomy, at which time a malrotation and pyloric membrane were found and resolved. The postoperative course was uneventful and the baby was discharged at the age of 18 days and remains well at controls.
authors.affiliation: Department of Imaging Methods, Charles University, 2nd Faculty of Medicine and Faculty Hospital Motol, Prague, Czech Republic. veronika.frisova@gmail.com
authors.forename: Veronika
authors.initials: V
authors.lastname: Frisova
authors.forename: Lucie
authors.initials: L
authors.lastname: Kavalcova
authors.forename: Martin
authors.initials: M
authors.lastname: Kyncl
authors.forename: Radovan
authors.initials: R
authors.lastname: Vlk
authors.forename: Alexandr
authors.initials: A
authors.lastname: Kucera
authors.forename: Miloslav
authors.initials: M
authors.lastname: Rocek
mesh_terms: D005260:Female; D017219:Gastric Outlet Obstruction / Q000150:complications / Q000000981:diagnostic imaging* / Q000473:pathology; D006801:Humans; D008279:Magnetic Resonance Imaging; D006831:Polyhydramnios / Q000000981:diagnostic imaging / Q000209:etiology; D011247:Pregnancy; D011263:Pregnancy Trimester, Third; D016216:Ultrasonography, Prenatal