Magnetic Resonance Imaging of Head and Neck Cancer
Magnetic resonance (MR) has revolutionized head and neck imaging and has largely replaced computed tomography (CT) as the study of choice for malignancies of the extracranial head and neck. Magnetic resonance imaging (MRI) easily surpasses CT in its ability to differentiate subtle differences in soft tissue boundaries and extensions of tumors of the head and neck. The beam hardening artifacts on CT images from dental amalgam and dense cortical bone of the mandible, skull base, shoulders and other areas are also not a problem with MRI. Multiplanar imaging capabilities and lack of ionizing radiation make MR the preferred imaging study for many head and neck processes that would have in the past required a CT scan.
KeywordsParapharyngeal Space Middle Cranial Fossa Lingual Artery Cartilage Invasion True Vocal Cord
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