Abstract
For the past 30 years, videopharyngography has been successfully utilized for evaluation of patients with a variety of swallowing abnormalities. However, this radiological examination has two major limitations. First, although the videopharyngogram is a sensitive physiological technique that provides valuable functional information, it is limited in its ability to assess structure and detailed anatomy. Small pathological lesions may easily elude detection by this technique. In addition, owing to limited resolution, poor soft tissue contrast, and the inability to visualize extraluminal extension of tumors, only gross anatomical localization of larger lesions is possible. Second, the functional abnormalities identified with videopharynography are often nonspecific. Many conditions can produce the same symptoms and the same abnormalities on videopharyngography. Therefore, these patients often require additional imaging techniques (i.e., CT or MR) to demonstrate the precise neuroanatomical cause of the physiological swallowing abnormalities.
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Point, S.W., Horton, K.M., Bryan, R.N., Cunningham, E.T., Zinreich, S.J. (2003). Cross-Sectional Imaging of Dysphagia. In: Jones, B. (eds) Normal and Abnormal Swallowing. Springer, New York, NY. https://doi.org/10.1007/978-0-387-22434-3_9
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DOI: https://doi.org/10.1007/978-0-387-22434-3_9
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