Various imaging techniques are used to investigate the presence and extent of head and neck neoplasms, including ultrasound, computed tomography, magnetic resonance imaging and nuclear imaging techniques. To obtain the most optimal results, close attention should be paid to a correct technical execution of the imaging study. This chapter provides information on the relative advantages and disadvantages of each of the available imaging techniques, as well as on patient preparation, contrast agent or tracer injection, data acquisition, and image reconstruction, reformatting and display. The possible value of some newer imaging techniques, such as diffusion-weighted MRI and dynamic contrast-enhanced MRI is also reviewed.
KeywordsPositron Emission Tomography Susceptibility Artifact Salivary Gland Cancer Extravascular Extracellular Space Signal Intensity Curve
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