RT Book, Section
A1 Doherty, Gerard M.
SR Print(0)
ID 58092285
T1 Annular Pancreas
T2 Quick Answers Surgery
YR 2010
FD 2010
PB The McGraw-Hill Companies
PP New York, NY
SN 
LK accesssurgery.mhmedical.com/content.aspx?aid=58092285
RD 2024/04/19
AB •  Ring  of  pancreatic  tissue  from  the  head  of  the  pancreas  surrounds  the  descending  duodenum,  leading  to  obstruction,  presenting  either  in  infancy  or  adulthood•  Vomitus  is  bilious  if  obstruction  is  distal  to  the  ampulla  of  Vater•  Air  in  the  stomach  and  duodenum  proximal  to  the  obstruction  on  abdominal  x-ray  (double  bubble  sign)