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A hole in the brain ends his tremor In groundbreaking treatment, high-temperature ultrasound beams destroy dysfunctional neurons responsible for patient’s shaking.

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Dr. Nir Lipsman, a neurologist at Sunnybrook Hospital in Toronto, shaves the head of patient Tony Lightfoot. He is preparing Tony for the High Intensity Focused Ultrasound (HIFU) treatment. Tony suffers from severe tremors and the HIFU treatment targets a specific area of the brain where the lesions occur with ultrasonic waves to improve motor function.

Tim Fraser/The Globe and Mail

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A lab technician sets up the High Intensity Focused Ultrasound helmet atop of an MRI scanner for a patient at Sunnybrook Hospital.

Tim Fraser/The Globe and Mail

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Patient Tony Lightfoot is injected with a local anesthetic to prepare for the High Intensity Focused Ultrasound (HIFU) treatment at Sunnybrook Hospital.

Tim Fraser/The Globe and Mail

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Dr. Andres Lozano tests the motor skills of patient Tony Lightfoot prior to his High Intensity Focused Ultrasound (HIFU) treatment at Sunnybrook Hospital.

Tim Fraser/The Globe and Mail

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Patient Tony Lightfoot is prepped by Sunnybrook Hospital medical staff in an MRI room for the High Intensity Focused Ultrasound (HIFU) treatment at Sunnybrook Hospital.

Tim Fraser/The Globe and Mail

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Medical staff prepare patient Tony Lightfoot to begin his High Intensity Focused Ultrasound (HIFU) treatment at Sunnybrook Hospital.

Tim Fraser/The Globe and Mail

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Medical staff monitor brain scans of patient Tony Lightfoot during his High Intensity Focused Ultrasound (HIFU) treatment at Sunnybrook Hospital.

Tim Fraser/The Globe and Mail

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Medical staff monitor brain scans of patient Tony Lightfoot during his High Intensity Focused Ultrasound (HIFU) treatment at Sunnybrook Hospital.

Tim Fraser/The Globe and Mail

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Patient Tony Lightfoot is tested on his motor skills for signs of improvement by Dr. Nir Lipsman between his High Intensity Focused Ultrasound (HIFU) treatments at Sunnybrook Hospital.

Tim Fraser/The Globe and Mail

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Dr. Michael Schwartz, left, Dr. Kullervo Hynynen, and Dr. Andres Lozano discuss patient Tony Lightfoot as he undegoes the High Intensity Focused Ultrasound (HIFU) treatment at Sunnybrook Hospital.

Tim Fraser/The Globe and Mail

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Patient Tony Lightfoot looks at his right hand, steady for the first time in years, following High Intensity Focused Ultrasound (HIFU) treatments at Sunnybrook Hospital.

Tim Fraser/The Globe and Mail

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Patient Tony Lightfoot laughs with medical staff following High Intensity Focused Ultrasound (HIFU) treatments at Sunnybrook Hospital.

Tim Fraser/The Globe and Mail

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Patient Tony Lightfoot laughs following his High Intensity Focused Ultrasound (HIFU) treatment at Sunnybrook Hospital in Toronto.

Tim Fraser/The Globe and Mail

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