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KMID : 0602820110170010040
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Korean Journal of Bronchoesophagology
2011 Volume.17 No. 1 p.40 ~ p.45
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Detection of Simulative Foreign Body Using three Dimensional Reconstruction Technique, Introduction and Application
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Yoo Young-Sam
Kim Dong-Won
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Abstract
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Background and Objectives: Detailed information about the impacted esophageal foreign body is essential for safe extraction. Three dimensional reconstruction technique was applied to know shape, size and location of the simulative foreign bodies of stone, hyoid bone and endotracheal tube.
Materials and Methods: Submandibular gland stone, hyoid bone and endotracheal tube were used to simulate impacted foreign bodies. Axial CT, multi-planar reconstruction, volume of interest and virtual camera of Rapidia software were used to get information about the simulative foreign bodies from CT data. Shape and size were compared with the real materials. Exact locations were measured in appropriate modes of Rapidia.
Results: Shapes of the simulative foreign bodies matched well with the real materials. Size and location could be measured in various modes with some variable results.
Conclusion: 3D technique can be applied to get information about the simulative foreign bodies. This technique could be applied to the impacted esophageal foreign body.
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KEYWORD
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3D reconstruction, Esophagus, Foreign body
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