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- Title
Evaluation of Pharyngoesophageal Segment Using 320-Row Area Detector Computed Tomography.
- Authors
Wattanapan, Pattra; Kagaya, Hitoshi; Inamoto, Yoko; Saitoh, Eiichi; Shibata, Seiko; Iida, Takatoshi
- Abstract
Objectives: The aim of this study was to determine the shape and area of the pharyngoesophageal segment (PES) during swallowing using 320-row area detector computed tomography, which can acquire a volume data set covering a 16-cm area in a single rotation. Methods: Twenty healthy subjects were scanned during swallowing 3, 10, and 20 mL of honey-thick barium (5% w/v). PES was identified using cross-sectional images of 0.5-mm slice thickness, and the area in each section was measured. Results: The PES opening area and the anteroposterior and lateral diameters of the PES were volume dependent. However, there was no statistical difference in anteroposterior and lateral diameters between 3- and 10-mL bolus swallowing. Conclusions: Three hundred twenty–row area detector computed tomography provided new information about PES. This technique will facilitate further understanding of the mechanisms of PES opening and swallowing physiology.
- Subjects
ESOPHAGEAL physiology; ESOPHAGEAL radiography; PHARYNX physiology; BARIUM; COMPUTED tomography; DEGLUTITION; HONEY; PHARYNX
- Publication
Annals of Otology, Rhinology & Laryngology, 2018, Vol 127, Issue 12, p888
- ISSN
0003-4894
- Publication type
Article
- DOI
10.1177/0003489418802283