Value of CT in the diagnosis and management of patients with suspected acute small-bowel obstruction.

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Abstract
The purpose of this prospective study was to evaluate the role of CT in the diagnosis of patients with suspected acute small-bowel obstruction in whom clinical and plain radiographic findings were inconclusive.Fifty-seven nonconsecutive patients with suspected acute small-bowel obstruction were referred for CT to differentiate small-bowel obstruction from ileus (33 patients) or to establish the cause of obstruction (24 patients). The final diagnosis was established either by surgery (42 patients) or by the clinical evolution (15 patients). The change in the prescan diagnosis as to the presence, cause, and severity (strangulation) of small-bowel obstruction made on the basis of the CT findings was noted. Finally, the changes in therapy resulting from the CT information were recorded.CT correctly distinguished between small-bowel obstruction and ileus in all cases except one. CT enabled us to modify an erroneous clinical diagnosis correctly in 12 (21%) of 57 cases, including eight cases for which pre-CT dia...

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