Publications (2)1.96 Total impact

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    ABSTRACT: Previous ultrasonographic studies on tongue functions were limited by the possibility of artifacts caused by movement of the submental area during function. Consequently, tongue movements were misinterpreted. A dynamic tongue imaging technique, the cushion-scanning technique, was used to overcome this problem. Later, swallowing was investigated and divided into five phases using cushion-scanning technique-aided M-mode ultrasonograms. In this study, cushion-scanning technique in combination with the B-mode and M-mode ultrasonography was applied to investigate and measure the tongue movement during swallowing in 55 normal persons. The average duration, range of motion and speed of swallowing were found to be 2.43 s, 24.06 mm, and 10.34 mm/s, respectively. The computer-aided B-mode plus M-mode ultrasonography in combination with the cushion-scanning technique is a valuable tool for study of tongue functions.
    Journal of ultrasound in medicine: official journal of the American Institute of Ultrasound in Medicine 02/2000; 19(1):15-20. · 1.54 Impact Factor
  • C L Peng · P G Jost-Brinkmann · C T Lin
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    ABSTRACT: A cushion device and B+M mode ultrasonography technique were used in 30 healthy volunteers to study tongue movement during swallowing. M-mode images show an amplitude-time diagram, in which the entire tongue movement during swallowing can be easily scrutinized. The different tongue movements during swallowing result in several turning points on the graph of the M-mode sonogram, which divide the oral swallowing phase into five subphases (I, IIa, IIb, IIIa, IIIb). Based on this new classification of swallowing, the tongue movements of the participants were interpreted and classified.
    Der Radiologe 11/1995; 35(10):747-52. · 0.43 Impact Factor