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the pathological image-left and the physiological image-right
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F:
Dilatation
of the large bowel with intraluminal horizontal fluid levels. There is twisting
twisting
of the gut
H:
Adult
man, 41-years-old, severe abdominal pain
INFO/WWW-LINKS:
Volvolus means twisting of the gut, especially the sigmoid colon. In small
bowel obstruction vomiting occurs earlier, distension is less and the pain
is higher in the abdomen. On AXR small bowel obstruction shows central gas
shadows (gas-fluid interfaces, horizontal fluid levels) and there is no gas
in the large bowel. Small bowel is identified by valvulae conniventes which
completly cross the lumen - in contrast large bowel haustra do not cross all
the lumen`s width. Causes: Adhesions, Herniae, intersusception, paralytic
ileus, tumor, gallstones In large bowel obstuction pain is more constant.
On AXR gas is usually proximal to the blockage located. Causes: tumor, volvulus,
faeces
D:
large
bowel obstruction caused by sigmoid volvulus.
Arteriosclerotic calcification of the abdominal aorta
IN
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