Abstract
Selective photothermolysis (SPT) has recently been successfully applied to specifically destroy blood vessels in benign cutaneous vascular lesions such as portwine stains (PWS) (1–5). The principal of SPT is based upon the ability to target the laser light at specific chromophores or structures containing pigment in the laser exposed field. In the case of benign cutaneous vascular lesions, the endogenous chromophore chosen was the red pigment, oxyhemoglobin, found in abundance in red blood cells (RBC) within the abnormal blood vessels. Oxyhemoglobin (HbO2) has three absorption spectral peaks at 418, 542 and 577 nm (fig.1).
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References
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© 1991 Springer-Verlag Berlin, Heidelberg
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Tan, O.T. (1991). Dye Laser for Benign Cutaneous Vascular Lesions: Clinical and Technical Development. In: Steiner, R., Kaufmann, R., Landthaler, M., Braun-Falco, O. (eds) Lasers in Dermatology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-75201-8_5
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DOI: https://doi.org/10.1007/978-3-642-75201-8_5
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