This study aimed to investigate the use of 7 Tesla MRI for frameless pre-surgical planning for tumor resection applications. Image geometric distortions at the locations of 10 skin-adhered fiducials were minimized in 7 Tesla images, and compared to in vivo results from a current 3 Tesla frameless imaging protocol. Geometric accuracy of < 1 mm was obtained in 7 Tesla images at the surface of a head-shaped phantom.
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