Intraoperative MRI in Neurosurgery

Two doctors is standing in front of a screen where a disection of a brain is visible.
Photographer: ©K. Wårdell 2022

Magnetic resonance imaging (MRI) and biomedical optic systems are used for neuroguidance during brain tumor biopsies and resection, DBS implantation and for investigation of cerebral bleedings of neurointensive care patients.

The neurosurgical clinic at Linköping university hospital has a 3T IMRI camera (Skyra) with adjacent neurosurgical operating room. It is used for intraoperative investigations during brain tumor surgery, and for identification of target structures during DBS implantations. The cameras’ unique placement at the neurointensive care unit makes also MRI studies of the brain blood flow in neuro critical care patients possible. The combination of blood flow measurements using MRI arterial spin labeling and 2D flow measurements with laser Doppler flowmetry, both the macro- and microcirculation can be investigated. Other important work are improvements and implementations of MRI protocols for diffusion imaging as QTI for microdiffusion studies and white matter tract calculations. The project area is grounded on existing expertise in neuroengineering, neurosurgery, neuroradiology, neuropathology, MR-physics, and mathematics in imaging.

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