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DIOS was previously known as meconium ileus equivalent, a name which highlights its similarity to the intestinal obstruction seen in newborn infants with cystic fibrosis. [2] DIOS tends to occur in older individuals with pancreatic insufficiency .
The meconium sometimes becomes thickened and congested in the intestines, a condition known as meconium ileus. Meconium ileus is often the first sign of cystic fibrosis . [ 2 ] In cystic fibrosis, the meconium can form a bituminous black-green mechanical obstruction in a segment of the ileum.
Ileus is a cause of colic in horses due to functional obstruction of the intestines. It is most commonly seen in horses postoperatively, especially following colic surgery. [ 9 ] Horses experiencing ileus are at risk for gastric rupture due to rapid reflux build-up, and require intense medical management with frequent nasogastric intubation. [ 9 ]
Labeled diagram of the small intestine and its surrounding structures. The small intestine is divided into three structural parts. The duodenum is a short structure ranging from 20–25 cm (8–10 in) in length, and shaped like a "C". [12] It surrounds the head of the pancreas.
Radiographs in meconium ileus classically demonstrate a bubbly appearance in the right lower quadrant due to a combination of ingested air and meconium. If, on contrast enema, reflux into the dilated distal small bowel loops can be achieved, the study is both diagnostic and therapeutic, as the ionic contrast medium can dissolve the meconium to ...
Segmental volvulus occurs in people of any age, usually with a predisposition because of abnormal intestinal contents (e.g. meconium ileus) or adhesions. Volvulus of the cecum , transverse colon , or sigmoid colon occurs, usually in adults, with only minor predisposing factors such as redundant (excess, inadequately supported) intestinal tissue ...
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The ileum (/ ˈ ɪ l i əm /) is the final section of the small intestine in most higher vertebrates, including mammals, reptiles, and birds.In fish, the divisions of the small intestine are not as clear and the terms posterior intestine or distal intestine may be used instead of ileum. [2]