Abstract #3599

Prostate Focal Prostate Laser Ablation under MRI Guidance

Alexander Squires¹, Sheng Xu², Reza Seifabadi², Yue Chen¹, Harsh Agarwal³, Marcelino Bernardo², Ayele Negussie², Peter Pinto², Peter Chokye², Bradford Wood², and Zion Tsz Ho Tse¹

¹College of Engineering, University of Georgia, Athens, GA, United States, ²National Institutes of Health, Bethesda, MD, United States, ³Philips Research North America, Briarcliff Manor, NY, United States

MRI-guided focal laser ablation (FLA) shows promise as an effective treatment for prostate cancer, but presents challenges related to accurate catheter positioning and ablation monitoring. A catheter positioning robot was designed to overcome these problems by positioning the catheter optimally for ablation and monitoring the ablation via MRI thermometry. A remote insertion guide allows the surgeon to perform the procedure without removing the patient from the MRI bore, saving time and increasing accuracy. Treatment planning software iteratively plans optimal catheter positioning. Preliminary tests show the robot can greatly improve efficiency and accuracy without sacrificing image quality.

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