Development of two oral contrast materials for CT evaluation of the esophagus.

Background: Computed tomography (CT) is a widely available modality in evaluating benign and malignant diseases of the esophagus. To date, there is no substantial consensus on the optimal and widely available method for opacifying the esophageal lumen exists for CT OBJECTIVE: The present study was performedf or complete and continuous opacification of the esophagus using two developed oral contrast materials and a commercial barium paste formulated for CT MATERIAL AND METHOD: One hundred and seven adult patients were sent for spiral routine CT scan of the chest (Light speed plus; General Electric Medical System, Milwaukee, Wis., USA) to evaluate variety of clinical conditions at Ramathibodi Hospital.