Intussusception is the telescoping of one portion of the intestine into another. It generally occurs in young children.
In this condition, one part of intestine abnormally slides inside the part of intestine next to it. This can be compared to one part of a telescope sliding into itself. When this occurs in the bowels, the veins and arteries are squeezed. This results in less blood flow to the intestine.
In most cases, the cause of the intussesception is unknown. Risk factors for the condition include the following:
Intussesception is three times more common in males than in females. It is seen most often in infants from 3 to 12 months of age.