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Clin Radiol. 2006 Dec;61(12):1016-22.

The value of the per oral pneumocolon in the study of the distal ileal loops.

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  • 1Department of Bioimaging and Radiological Science, Institute of Radiology, UCSC, Rome, Italy. lmminordi@rm.unicatt.it

Abstract

AIM:

To verify the diagnostic accuracy of per oral pneumocolon in the identification of both normal and pathological patterns in patients with suspected or proven small bowel disease.

MATERIALS AND METHODS:

Per oral pneumocolon was performed after small bowel follow-through examinations in a series of 42 selected patients. The terminal ileum visibility, the loop location and possible pathological patterns were evaluated separately before and after insufflation. In post-insufflation images the presence/absence of reflux and grade of reflux were evaluated.

RESULTS:

The diagnostic quality of per oral pneumocolon as compared with per oral small bowel examination was superior in 23 of the 42 patients (54.8%; group 1), similar in nine of the 42 (21.4%; group 2), and inferior in 10 of the 42 (23.8%; group 3). Transvalvular reflux was present in 22 of 23 (95.6%) patients from group 1 and only in one of 10 patients (10%) from group 3 (p<0.001: statistically significant difference). Among the 24 of 42 (57.1%) patients with suspected or proven Crohn's disease, per oral pneumocolon increased the confidence with which the ileum was considered normal in 12 patients and it allowed a better evaluation of the disease extent and the differentiation between prolonged spasms and stenosis in five patients.

CONCLUSION:

In conclusion per oral pneumocolon should be performed after a small bowel follow-through examination in selected patients.

[PubMed - indexed for MEDLINE]
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