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KMID : 1103720130690010011
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Journal of the Korean Society of Radiology
2013 Volume.69 No. 1 p.11 ~ p.22
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The Role and Utility of Diffusion-Weighted Imaging in Assessment of Head and Neck Tumors: A Review Article
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Sol Yu-Li
Kim Hak-Jin
Lee Byung-Joo
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Abstract
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Conventional MRI and CT are the chosen imaging modalities when evaluating head and neck cancers; however, sometimes both diagnostic tools yield low sensitivity and accuracy in making the diagnosis, staging, and assessing the post-treatment response. This article reviews the role and utility of diffusion-weighted imaging (DWI) in assessing head and neck cancer. DWI is a technique which analyzes the structures of biologic tissues at a microscopic level. Apparent diffusion coefficient value, determined from DWI, can help detect the differences in the microstructures of tumor tissues and non-tumor tissues. Therefore, DWI is a useful technique in a clinical practice, which provides information of histopathological characterization, differential diagnosis, and stage of head and neck cancer and assessment of treatment response.
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KEYWORD
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Head and Neck Tumors, MRI, Diffusion-Weighted Imaging, Apparent Diffusion Coefficient Value
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