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Proceedings Paper

Experimental study of multiple-intermittent cryogen spurts and laser pulses for the treatment of port wine stain birthmarks
Author(s): Guillermo Aguilar; Bernard Choi; John A. Viator; Dan Andersen; J. Stuart Nelson
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Paper Abstract

Cryogen spray cooling (CSC) is used to minimize the risk of epidermal damage during pulsed laser treatment of port wine stain (PWS) birthmarks. Unfortunately, the current approach to CSC does not provide the necessary epidermal protection for all patients, particularly those with darker skin types. Therefore, alternative approaches need to be sought to improve PWS laser therapy. On a previous numerical study we showed that using multiple-intermittent CSC spurts and laser pulses could permit, under certain conditions, the use of higher laser doses while providing sufficient epidermal protection. In this study we show some results of ongoing experimental to study the feasibility of implementing clinically such an approach.

Paper Details

Date Published: 10 June 2003
PDF: 11 pages
Proc. SPIE 4954, Thermal Treatment of Tissue: Energy Delivery and Assessment II, (10 June 2003); doi: 10.1117/12.476536
Show Author Affiliations
Guillermo Aguilar, Beckman Laser Institute/Univ. of California, Irvine (United States)
Univ. of California, Irvine (United States)
Bernard Choi, Univ. of California/Irvine (United States)
John A. Viator, Beckman Laser Institute/Univ. of California/Irvine (United States)
Dan Andersen, Lumenis Inc. (United States)
J. Stuart Nelson, Beckman Laser Institute (United States)
Univ. of California, Irvine (United States)

Published in SPIE Proceedings Vol. 4954:
Thermal Treatment of Tissue: Energy Delivery and Assessment II
Thomas P. Ryan, Editor(s)

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