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Proceedings Paper

Photoablation of meningiomas and neurinomas by holmium YAG laser radiation
Author(s): Sigrun Anke Leyser; Hermann-Josef Koenig; 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. 20 cases of hard fibrous or calcified spinal and cranial meningeomas 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: 3 December 1996
PDF: 7 pages
Proc. SPIE 2922, Laser Applications in Medicine and Dentistry, (3 December 1996); doi: 10.1117/12.260703
Show Author Affiliations
Sigrun Anke Leyser, Westpfalz-Klinikum GmbH (Germany)
Hermann-Josef Koenig, Westpfalz-Klinikum GmbH (Germany)
Hans-Jochen Foth, Univ. Kaiserslautern (Germany)
Dirk H. Meyer, Univ. Kaiserslautern (Germany)


Published in SPIE Proceedings Vol. 2922:
Laser Applications in Medicine and Dentistry
Gregory B. Altshuler; Fausto Chiesa; Herbert J. Geschwind M.D.; Raimund Hibst; Neville Krasner M.D.; Frederic Laffitte; Giulio Maira; Reinhard Neumann; Roberto Pini; Hans-Dieter Reidenbach; Andre Roggan; Montserrat Serra I Mila, Editor(s)

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