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Pediatric Radiology
Published in: Pediatric Radiology 9/2010

01-09-2010 | Original Article

Assessment of retromesenteric position of the third portion of the duodenum: an US feasibility study in 33 newborns

Authors: David K. Yousefzadeh, Lisa Kang, Laura Tessicini

Published in: Pediatric Radiology | Issue 9/2010

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Abstract

Background

US can be used to assess bowel and does not require ionizing radiation or the administration of contrast material. Prior studies of the duodenum with US are limited.

Objective

This study assesses the success rate of US demonstration of the third portion of the duodenum (D3) between the superior mesenteric artery (SMA) and the aorta in newborns to exclude malrotation based on embryologic and anatomic principles.

Material and methods

Thirty-three newborns underwent US studies. The structures between the SMA and the aorta, including D3, were evaluated in axial and longitudinal planes. The length of time to acquire diagnostic images was recorded.

Results

In both the axial and longitudinal planes, D3 was seen between the SMA and the aorta in all 33 infants, including some with abundant bowel gas. The mean length of time to acquire diagnostic images was 34 s.

Conclusion

Bedside US successfully illustrated the retromesenteric position of D3 in all 33 infants. Overlying gas-filled bowel was effectively effaced by graded compression. The short study duration indicates the practicality of the method. Further studies in broader patient populations and in correlation with other imaging and/or surgical findings is required to validate our technique.
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Metadata
Title
Assessment of retromesenteric position of the third portion of the duodenum: an US feasibility study in 33 newborns
Authors
David K. Yousefzadeh
Lisa Kang
Laura Tessicini
Publication date
01-09-2010
Publisher
Springer-Verlag
Published in
Pediatric Radiology / Issue 9/2010
Print ISSN: 0301-0449
Electronic ISSN: 1432-1998
DOI
https://doi.org/10.1007/s00247-010-1709-4

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