Blood flow cooling and ultrasonic lesion formation.

  title={Blood flow cooling and ultrasonic lesion formation.},
  author={Michael C. Kolios and Michael D. Sherar and John W. Hunt},
  journal={Medical physics},
  volume={23 7},
This article examines lesion formation using focused ultrasound and demonstrates how blood flow may affect lesion dimensions using a theoretical model. The effects of blood flow on temperature distributions during ultrasonic lesioning are examined for both regional cooling by the microvasculature and localized cooling due to thermally significant vessels. Regional cooling was critically assessed using two models: the Pennes bioheat transfer equation and the scalar effective thermal conductivity… CONTINUE READING
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