22 February 2006 Irradiation planning for automated treatment of psoriasis with a high-power excimer laser
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Abstract
American and European statistics have shown that 1-2 per cent of the human population is affected by the skin disease psoriasis. Recent research reports promising treatment results when irradiating skin areas affected by psoriasis with high powered excimer lasers with a wavelength of 308 nm. In order to apply the necessary high energy dose without hurting healthy parts of the skin new approaches regarding the system technology must be considered. The aim of the current research project is the development of a sensor-based, automated laser treatment system for psoriasis. In this paper we present the algorithms used to cope with the diffculties of irradiating irregularly shaped areas on curved surfaces with a predefined energy level using a pulsed laser. Patients prefer the treatment to take as little time as possible. This also helps to reduce costs. Thus the distribution of laser pulses on the surface to achieve the given energy level on every point of the surface has to be calculated within a limited time frame. The remainder of the paper will describe in detail an efficient method to plan and optimize the laser pulse distribution. Towards the end, some first results will be presented.
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Florian Klämpfl, Florian Klämpfl, Michael Schmidt, Michael Schmidt, Hinnerk Hagenah, Hinnerk Hagenah, Andreas Görtler, Andreas Görtler, Frank Wolfsgruber, Frank Wolfsgruber, Ralf Lampalzer, Ralf Lampalzer, Peter Kaudewitz, Peter Kaudewitz, } "Irradiation planning for automated treatment of psoriasis with a high-power excimer laser", Proc. SPIE 6078, Photonic Therapeutics and Diagnostics II, 60780D (22 February 2006); doi: 10.1117/12.646449; https://doi.org/10.1117/12.646449
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