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Abstract #4039

Early clinical feasibility study of body mounted and motorized needle guidance tool in abdominal MRI-guided cryoablation

Nobuhiko Hata1, Brian Ninni1, Franklin King1, Takahisa Kato2, Junichi Tokuda1, and Kemal Tuncali1

1The Ferenc Jolesz National Center for Image Guided Therapy, Radiology, Boston, MA, United States, 2Healthcare Optics Research Laboratory, Canon USA, Inc., Cambridge, MA, United States

This study investigates the feasibility of directing cryotherapy probes using a body-mounted and motorized needle guidance device in abdominal MRI-guided cryoablation. Utilizing a motorized needle alignment device offers an alternative solution to the trial-and-error method of probe placement, as it allows one to directly orient cryotherapy probes, efficiently. This study found the method to be feasible for use in cryoablation in 3T with placement accuracy of 8.8mm. Further investigation is warranted to improve the efficiency of probe placement.

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