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KMID : 0602820120180020049
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Korean Journal of Bronchoesophagology
2012 Volume.18 No. 2 p.49 ~ p.55
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Three Dimensional Reconstruction on Computed Tomograms of Fish Bones
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Park Joong-Hyun
Woo Kuk-Sung
Yoo Young-Sam
Kim Dong-Won
Lee Han-Bee
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Abstract
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Background and Objectives: This study was conducted to gather three dimensional images from computed tomogram in detecting and gaining information about fish bones.
Materials and Methods: Thirty-nine fish bones and 2 chicken leg bones were used. Bones sandwiched between the cotton sheets were placed into the 3 plastic boxes. Computed tomogram of the bones in the boxes were reconstructed three-dimensionally by Xelis (Infinitt, Korea) to make images of MPR, MIP and VR images. The images were compared with real chicken bones and fish bones as to possibility of detection, finding of location and orientation, and evaluation of shape and calculation of size.
Results: All 41 bones were detected in all reconstructed images. Distance to the bones from reference point can be measured and orientation can be checked. Shapes were similar between matched images of all real bones.
Conclusion: The results indicate the usefulness of 3D reconstruction technique in getting informations about fish bones.
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KEYWORD
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Three dimensional reconstruction, Fish bone, Foreign body
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