RT Book, Section
A1 Bianchi, Diana W.
A1 Crombleholme, Timothy M.
A1 D'Alton, Mary E.
A1 Malone, Fergal D.
SR Print(0)
ID 1106399116
T1 Duodenal Atresia and Stenosis
T2 Fetology: Diagnosis and Management of the Fetal Patient, 2e
YR 2015
FD 2015
PB McGraw-Hill Education
PP New York, NY
SN 978-0-07-144201-5
LK obgyn.mhmedical.com/content.aspx?aid=1106399116
RD 2024/10/10
AB Key  PointsOften  presents  due  to  uterine  size  greater  than  the  size  of  dates  as  a  result  of  polyhydramnios.Characteristically  diagnosed  by  ultrasound  examination,  which  shows  a  “double  bubble”  sign.Differential  diagnosis  includes  annular  pancreas,  malrotation,  gastric  or  duodenal  duplication,  and  preduodenal  portal  vein.Associated  with  trisomy  21  in  30%  of  cases.  Amniocentesis  should  be  performed.Associated  with  congenital  heart  disease  in  17%  to  33%  of  cases.  Echocardiography  should  be  performed.Polyhydramnios  rarely  develops  before  24  weeks’  gestation  but  can  contribute  to  preterm  labor.Delivery  should  occur  in  a  tertiary  center  with  pediatric  surgical  and  neonatal  expertise  available.