What is the radiographic sign for volvulus?

What is the radiographic sign for volvulus?

If more fluid than air is in the obstructed loop of the sigmoid, the volvulus may be demonstrable by a soft-tissue mass or a pseudotumor sign. A dilated sigmoid colon that ascends to the transverse colon (northern exposure sign) is said to be a reliable sign of a sigmoid volvulus on a supine abdominal radiograph.

How can you tell the difference between sigmoid and cecal volvulus?

A definitive sign of a cecal volvulus is the upward displacement of the appendix with obstruction of the large bowel. Comparatively, a sigmoid volvulus will show findings of a bent inner tube sign with the apex of the volvulus located in the left upper quadrant.

What is bent inner tube sign?

The coffee-bean sign (also known as the kidney bean sign or bent inner tube sign 4) is a sign on an abdominal plain radiograph of a sigmoid volvulus although some authors have also used the term to refer to closed loop small bowel obstructions.

How common is sigmoid volvulus?

[3] Sigmoid volvulus, accounting for 8% of all intestinal obstructions, occurs between the third and the seventh decades of life. It is more frequent in elderly males, African Americans, adults with chronic constipation, and associated neuropsychiatric disorders.

Is a twisted bowel life threatening?

The mesentery may become so tightly twisted that blood flow to the affected part of the intestine is cut off. This situation can lead to death of the blood-starved tissue and tearing of the intestinal wall—a life-threatening event and a medical emergency.

What is midgut volvulus?

Midgut volvulus is a condition in which the intestine has become twisted as a result of malrotation of the intestine during fetal development.

How serious is volvulus?

The twisting causes bowel obstructions that may cut off the blood supply to areas of the bowels. A volvulus is a medical emergency that needs surgical treatment. If left untreated, the parts of the bowels that are not receiving enough blood will start to die.

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