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Abstract #3438

Preoperative assessment of mandibular invasion with SWIFT

Djaudat Idiyatullin 1 , Curtis A. Corum 1 , Michael Garwood 1 , Zuzan Cayci 2 , Bevan Yueh 3 , and Samir S. Khariwala 3

1 Radiology, CMRR, University of Minnesota, Minneapolis, MN, United States, 2 Department of Diagnostic Radiology, University of Minnesota, Minneapolis, MN, United States, 3 Department of Otolaryngology, University of Minnesota, Minneapolis, MN, United States

Current imaging techniques are often suboptimal for the detection of mandibular invasion by squamous cell carcinoma. X-ray Computed Tomography is more suited to differentiate bone pathology but can miss fine changes to the cortex from partial voluming and artifacts. Standard MRI has excellent soft tissue contrast but cannot resolve signal from bone due to ultra-short T2 insensitivity. The aim of this study was to determine the feasibility of a ultra-short T2 sensitive MRI - based technique known as sweep imaging with Fourier transform (SWIFT) to visualize the structural changes of intramandibular anatomy during invasion in-vivo.

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