Disorders of midgut rotation: making the correct diagnosis on UGI series in difficult cases

Abstract

In some series of malrotation small numbers of children are described in whom the position of the duodenojejunal flexure was considered to be normal on straight anteroposterior (AP) view of an upper gastrointestinal (UGI) series. The purpose of this study was to illustrate children with disorders of midgut rotation in whom the diagnosis was difficult because on the straight AP view of the UGI series the duodenojejunal flexure was either not clearly depicted or was projected to the left of the midline close to its expected normal position at or close to the level of the duodenal cap. We reviewed 111 children with malrotation to determine the frequency that duodenojejunal flexure was not clearly depicted or was close to normal position. Seven patients had close to normal position of duodenojejunal flexure on AP view. The correct diagnosis was made on initial UGI series in four patients based on other features on AP and lateral views. In two of the other three patients, a repeat UGI series facilitated the correct diagnosis. In the final patient, an abnormal position of a nasojejunal tube suggested the correct diagnosis. Accurate diagnosis of anomalies of midgut rotation requires careful assessment of the entire duodenal sweep on both AP and lateral views to avoid false-negative interpretations.

DOI: 10.1007/s00247-013-2676-3

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@article{Tang2013DisordersOM, title={Disorders of midgut rotation: making the correct diagnosis on UGI series in difficult cases}, author={Vivian Tang and Alan Daneman and Oscar M. Navarro and Justin Ted Gerstle}, journal={Pediatric Radiology}, year={2013}, volume={43}, pages={1093-1102} }