Photoablation of meningiomas and neurinomas by holmium YAG laser radiation

Sigrun Anke Leyser; Hermann-Josef Koenig; Hans-Jochen Foth; Dirk H. Meyer

doi:10.1117/12.260703

3 December 1996 Photoablation of meningiomas and neurinomas by holmium YAG laser radiation

Sigrun Anke Leyser, Hermann-Josef Koenig, Hans-Jochen Foth, Dirk H. Meyer

Proceedings Volume 2922, Laser Applications in Medicine and Dentistry; (1996) https://doi.org/10.1117/12.260703
Event: BiOS Europe '96, 1996, Vienna, Austria

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.

Citation Download Citation

Sigrun Anke Leyser, Hermann-Josef Koenig, Hans-Jochen Foth, and Dirk H. Meyer "Photoablation of meningiomas and neurinomas by holmium YAG laser radiation", Proc. SPIE 2922, Laser Applications in Medicine and Dentistry, (3 December 1996); https://doi.org/10.1117/12.260703

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