The radiological assessment of colonic replacement of the esophagus in children: A review of 43 cases.

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The radiological assessment of colonic replacement of the esophagus in children: A review of 43 cases.

Eur J Radiol. 2015 Dec;84(12):2625-32

Authors: AbouZeid AA, Mohammad SA, Rawash LM, Radwan AB, El-Asmar KM, El-Shafei E

Abstract
PURPOSE: To define the characteristic radiological features following colonic replacement of the esophagus in children.
MATERIALS AND METHODS: The upper gastro-intestinal contrast studies of 43 patients who underwent colonic replacement of the esophagus at our pediatric surgery unit were available for analysis. UGI contrast studies were performed routinely in the post-surgical period in 17 cases (first asymptomatic group), while the rest of contrast studies (26) belonged to a second group of out-patients complaining of dysphagia (18) or dyspepsia (8) following colonic replacement of the esophagus. Based on our observations, we proposed a grading system to describe the degree of colonic redundancy in the thorax.
RESULTS: Redundancy of the colonic conduit in the thoracic cavity was a common radiological finding (62.8%). The redundancy was mild (grade 1) in 18 patients, moderate (grade 2) in eight, and severe (grade 3) in only one patient. In 88.9%, the redundancy was in the right hemi-thorax. Patients presenting with postoperative dysphagia had a stricture at the site of the esophago-colic anastomosis in the neck, which should be differentiated from other sites of anatomical narrowing at the inlet and outlet of the thoracic cavity. Gastro-colic reflux was common among patients who underwent colonic replacement of the esophagus without an anti-reflux procedure.
CONCLUSION: Colonic replacement of the esophagus in children results in considerable anatomical alterations. Knowledge about the normal post-surgical changes and imaging features of the commonly encountered complications can increase the diagnostic confidence among radiologists and clinicians when dealing with these cases.

PMID: 26431748 [PubMed - indexed for MEDLINE]

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