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Michael P. D'Alessandro, M.D.
Peer Review Status: Internally Peer Reviewed
Approach/Discussion:
To distinguish between these possibilities, an upper GI exam is the
study of choice, to determine the position of the ligament of Treitz,
and to look for lumenal narrowing.
In the past, the barium enema was an often recommended study, in order to identify the position of the cecum to determine if the patient is malrotated. Unfortunately, the barium enema does not show whether a midgut volvulus is present.
An ultrasound examination can suggest the presence of malrotation, and can demonstrate the presence of midgut volvulus, but is not as sensitive for either as an upper GI exam.
References:
See References Chapter.
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