514 nm argon laser line achieves satisfactory treatment of benighn pigmented lesions

Mario A. Trelles; Wim Verkruysse; Jose Luis Cisneros Vela; M. Velez; J. Sanchez; P. Sala

doi:10.1117/12.169145

15 February 1994 514 nm argon laser line achieves satisfactory treatment of benighn pigmented lesions

Mario A. Trelles, Wim Verkruysse, Jose Luis Cisneros Vela, M. Velez, J. Sanchez, P. Sala

Proceedings Volume 2086, Medical Applications of Lasers; (1994) https://doi.org/10.1117/12.169145
Event: Europto Biomedical Optics '93, 1993, Budapest, Hungary

Abstract

A dichroic filter was adjusted in order to make use of the green line of an argon laser for the treatment of pigmented lesions (actinic and senile lentigo, ephelis, cafe-au-lait marks and spilus nevus). Using a power of 1.5 W, a spot size of 0.5 mm and pulse lengths of 200 or 300 ms, satisfactory elimination of 620 pigmented cutaneous lesions was achieved. Although the pulse lengths used were much longer than the thermal relaxation time of the melanosomes, the histology after treatment showed little damage of adjacent structures. Good restoration of the epidermis and a return of normal pigmentation led to excellent cosmetic results, with few complications.

Citation Download Citation

Mario A. Trelles, Wim Verkruysse, Jose Luis Cisneros Vela, M. Velez, J. Sanchez, and P. Sala "514 nm argon laser line achieves satisfactory treatment of benighn pigmented lesions", Proc. SPIE 2086, Medical Applications of Lasers, (15 February 1994); https://doi.org/10.1117/12.169145

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