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Proceedings Paper

Photoablation of meningeomas and neurinomas by holmium YAG laser radiation
Author(s): Sigrun Anke Leyser; Hermann-Josef Konig; Hans-Jochen Foth; Dirk H. Meyer
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Paper Abstract

Cranial rat bone was irradiated by 2.1 micrometers Holmium YAG laser radiation. Quantitative edge rates were calculated. Histologic sections were investigated by light and electron microscopy. 18 cases of hard fibrous or calcified spinal and cranial meningiomas and neurinomas were operated upon using pulsed laser beam. In rat cranial bone ablation rate ranged between 3 - 5/10 mm per pulse. Perifocal thermal damage was observed in a zone of 20 - 90 micrometers around the lesion. In all human cases tumors could be removed totally without additional neurological deficit. In vivo heat development was measured by an IR-camera.

Paper Details

Date Published: 4 January 1999
PDF: 8 pages
Proc. SPIE 3565, Thermal Therapy, Laser Welding, and Tissue Interaction, (4 January 1999); doi: 10.1117/12.335789
Show Author Affiliations
Sigrun Anke Leyser, Westpfalz-Klinikum GmbH (Germany)
Hermann-Josef Konig, Westpfalz-Klinikum GmbH (Germany)
Hans-Jochen Foth, Univ. of Kaiserslautern (Germany)
Dirk H. Meyer, Univ. of Kaiserslautern (Germany)

Published in SPIE Proceedings Vol. 3565:
Thermal Therapy, Laser Welding, and Tissue Interaction
Stephen G. Bown; Guy P. Delacretaz; Guilhem Godlewski M.D.; Gerhard J. Mueller; Roberto Pini; Hans-Dieter Reidenbach; Rudolf W. Steiner; Lars Othar Svaasand; Karl-Goran Tranberg, Editor(s)

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