K. Hynynen et al. proposed the use of noninvasive focused ultrasound using magnetic resonance imaging to guide and monitor tissue damage. The term Magnetic Resonance Guided Focused Ultrasound (MRgFUS) was first coined.
Yang R, Reilly CR, Rescorla FJ, et al. Effects of high-intensity focused ultrasound in the treatment of experimental neuroblastoma. J Pediatr Surg. 1992;27(2):246-250; discussion. 250-241.