Calculation of the clinical parameters to effect removal of port wine stains

Michael J. Murphy; Iain D. Miller; A. R. Veitch; J. P. Paul; William Henry Reid

doi:10.1117/12.17450

1 June 1990 Calculation of the clinical parameters to effect removal of port wine stains

Michael J. Murphy, Iain D. Miller, A. R. Veitch, J. P. Paul, William Henry Reid

Proceedings Volume 1200, Laser Surgery: Advanced Characterization, Therapeutics, and Systems II; (1990) https://doi.org/10.1117/12.17450
Event: OE/LASE '90, 1990, Los Angeles, CA, United States

Abstract

Effective removal of Port Wine Stain vasculature requires two mechanisms: coagulation of the blood and denaturation of the vessel wall and the surrounding dermis. In this way recanalisation of the old vascular network is prevented and substitution by a normal vessel matrix can occur. A theoretical model was developed to calculate the optiirtuin laser parameters to achieve this. A Monte-Carlo based optical niodel describes the distribution of the laser energy after scattering processes. This distribution is then used by a twodimensional thernial model to predict the temperatures achieved both within the vessel and in the peri-vascular dernds. The predicted effects of various power densities and pulsewidths for 577nit and 585nm will be presented.

Citation Download Citation

Michael J. Murphy, Iain D. Miller, A. R. Veitch, J. P. Paul, and William Henry Reid "Calculation of the clinical parameters to effect removal of port wine stains", Proc. SPIE 1200, Laser Surgery: Advanced Characterization, Therapeutics, and Systems II, (1 June 1990); https://doi.org/10.1117/12.17450

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