Keywords: MR-Guided Interventions, MR-Guided Interventions, LITT, laser, ablation, thermometry
Motivation: Current Laser devices used during MR-guided LITT can use single or multiple fibers to create coagulation necrosis, but do not provide opportunities for precise temperature control in tissue.
Goal(s): We present an automatic control algorithm combined with a multi-source laser that allows the temperature to be forced to follow predefined temperature profiles.
Approach: Fast, multi-slice thermometric data are processed on the fly to achieved efficient volumetric temperature regulation of multiple laser sources simultaneously.
Results: We offer a precise and rapid volumetric temperature control solution combined with multi-source LITT to create conformal ablation volumes larger than those achieved with a single fiber.
Impact: Automatic volumetric temperature regulation of multisource LITT combined with real-time multislice MRI thermometry allows better control of local thermotherapies in soft tissues.
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