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Photothermal interactions with interstitial thermotherapy of vascular formations by infrared laser radiation of different wavelengths and the possibility of their ultrasonic evaluation
Author(s): Ivan A. Abushkin; Vladimir M. Chudnovsky; Anna G. Denis; Musa Ya. Galiulin; Veniamin O. Lapin; Olga A. Romanova; Alexander V. Lappa; Anastasiya E. Anchugova
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Paper Abstract

In the experiment, the features of laser interstitial thermotherapy (LITT) with wavelengths of 0.92; 0.97; 1.06; 1.56 and 1.9 μm and the possibility of estimating photothermal interactions by means of ultrasoundwere studied. Ultrasound clearly determined the tissue coagulation zone without differentiating it from carbonation. The phenomenon of "breakdown" of tissues during LITT was revealed. Most often at 1.9 Μm-LITT there was a rapid transfer of heat by gas bubbles through the vessels. Intima of the vessels was fired. Ultrasound control of LITT in 145 of 781 children with vascular tumors increased its effectiveness, reducing the number of repeated sessions by 3.2 times.

Paper Details

Date Published: 1 March 2019
PDF: 10 pages
Proc. SPIE 10876, Optical Interactions with Tissue and Cells XXX, 108761C (1 March 2019); doi: 10.1117/12.2510702
Show Author Affiliations
Ivan A. Abushkin, South Ural State Medical Univ. (Russian Federation)
Vladimir M. Chudnovsky, Pacific Oceanological Institute in Ilyichev V.I. (Russian Federation)
Anna G. Denis, Tver State Medical Univ. (Russian Federation)
Musa Ya. Galiulin, South Ural State Medical Univ. (Russian Federation)
Veniamin O. Lapin, South Ural State Medical Univ. (Russian Federation)
Olga A. Romanova, South Ural State Medical Univ. (Russian Federation)
Alexander V. Lappa, Chelyabinsk State Univ. (Russian Federation)
Anastasiya E. Anchugova, Chelyabinsk State Univ. (Russian Federation)

Published in SPIE Proceedings Vol. 10876:
Optical Interactions with Tissue and Cells XXX
Hope Thomas Beier; Bennett L. Ibey, Editor(s)

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