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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.
Michael J. Murphy,Iain D. Miller,A. R. Veitch,J. P. Paul, andWilliam 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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Michael J. Murphy, Iain D. Miller, A. R. Veitch, J. P. Paul, 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