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Proceedings Paper

514 nm argon laser line achieves satisfactory treatment of benighn pigmented lesions
Author(s): Mario A. Trelles; Wim Verkruysse; Jose Luis Cisneros Vela; M. Velez; J. Sanchez; P. Sala
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Paper 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.

Paper Details

Date Published: 15 February 1994
PDF: 7 pages
Proc. SPIE 2086, Medical Applications of Lasers, (15 February 1994); doi: 10.1117/12.169145
Show Author Affiliations
Mario A. Trelles, Instituto Medico Vilafortuny (Spain)
Wim Verkruysse, Instituto Medico Vilafortuny (Spain)
Jose Luis Cisneros Vela, Instituto Medico Vilafortuny (Spain)
M. Velez, Instituto Medico Vilafortuny (Spain)
J. Sanchez, Instituto Medico Vilafortuny (Spain)
P. Sala, Instituto Medico Vilafortuny (Spain)


Published in SPIE Proceedings Vol. 2086:
Medical Applications of Lasers

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