IMAGE-GUIDED SURGERY IN A NEW MAGNETIC-RESONANCE SUITE - PRECLINICAL CONSIDERATIONS

Surgical procedures require correct identification of exposed anatomy with concomitant localization amidst contiguous structures, In endosco pic procedures the surgeon is provided a real-time endoscopic view and is prepared with radiologic images, Here we present an overview of a methodology of localization using intraoperatively acquired magnetic r esonance (MR) images in preparation for magnetic resonance imaging-gui ded endoscopic sinus surgery, The methodology centers around a unique prototype imaging device and operating environment. An ''open'' 0.5 Te sla MX, unit has been created that allows complete access to the patie nt's head and neck while concomitant images are obtained, Illustrative examples of the localization technique from cadaver experiments are p resented, as well as insights into the host of concerns for anesthesia , equipment, surgical instrumentation, communications, and documentati on.