RT Book, Section
A1 Wells, Robert G.
SR Print(0)
ID 1148946311
T1 The Omentum, Mesentery, and Peritoneal Cavity
T2 Diagnostic Imaging of Infants and Children
YR 2015
FD 2015
PB McGraw-Hill Education
PP New York, NY
SN 9780071808392
LK accesspediatrics.mhmedical.com/content.aspx?aid=1148946311
RD 2024/04/18
AB An  internal  abdominal  herniation  is  the  extension  of  an  abdominal  organ  through  a  mesenteric  or  peritoneal  aperture.  These  rare  lesions  can  be  congenital  or  acquired  as  a  result  of  trauma  or  intra-abdominal  surgery.  There  is  an  association  of  this  lesion  with  intestinal  malrotation.  Internal  abdominal  herniations  rarely  present  during  childhood,  even  when  the  underlying  cause  is  developmental.  The  clinical  manifestations  of  internal  abdominal  herniation  are  nearly  always  nonspecific.  Patients  may  report  abdominal  pain  or  discomfort  that  tends  to  be  episodic.  The  pain  is  most  often  localized  to  the  periumbilical  region.  Nausea  may  occur.  Manifestations  of  an  acute  bowel  obstruction  develop  if  there  is  bowel  incarceration.  CT  is  the  most  useful  diagnostic  imaging  study  for  the  evaluation  of  internal  abdominal  herniations;  contrast  studies  of  the  bowel  and  standard  radiographs  serve  roles  as  well.1,2