title: Internal abdominal hernias.
abstract: Internal hernias are the underlying cause of acute or intermittent intestinal obstruction in approximately 4 per cent of cases. Their preoperative diagnosis depends on radiologic evaluation of the gastrointestinal tract with contrast material. This article presents the clinical and radiographic findings associated with various types of intra-abdominal herniations.
mesh_terms: D002429:Cecal Diseases / Q000000981:diagnostic imaging; D004378:Duodenal Diseases / Q000000981:diagnostic imaging; D006547:Hernia / Q000000981:diagnostic imaging; D006555:Hernia, Ventral / Q000000981:diagnostic imaging*; D006801:Humans; D007415:Intestinal Obstruction / Q000000981:diagnostic imaging; D007579:Jejunal Diseases / Q000000981:diagnostic imaging; D011183:Postoperative Complications / Q000000981:diagnostic imaging; D011859:Radiography; D012810:Sigmoid Diseases / Q000000981:diagnostic imaging