Abstract
In order to facilitate intra-operative use of magnetic resonance imaging (MRI) in neurosurgery an MRIcompatible headholder was developed and adapted to a modified MR-couch simultaneously serving as tabletop for the operating table. To allow shock-free transport into the scanner the wheels of the operating table were replaced by an air cushion mechanism. In 75 procedures the system proved to be reliable and safe. Image quality was not impaired by the fixation device. With growing routine the transfer became straightforward/ requiring approximately 70 min. Intra-operative MRI is thus made possible with minimal changes to the standard surgical environment. Its benefit however/ still remains to be critically investigated. [Neural Res 1998; 20: 658–661]
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