Photothermal interactions with interstitial thermotherapy of vascular formations by infrared laser radiation of different wavelengths and the possibility of their ultrasonic evaluation

Ivan A. Abushkin; Vladimir M. Chudnovsky; Anna G. Denis; Musa Ya. Galiulin; Veniamin O. Lapin; Olga A. Romanova; Alexander V. Lappa; Anastasiya E. Anchugova

doi:10.1117/12.2510702

1 March 2019 Photothermal interactions with interstitial thermotherapy of vascular formations by infrared laser radiation of different wavelengths and the possibility of their ultrasonic evaluation

Ivan A. Abushkin, Vladimir M. Chudnovsky, Anna G. Denis, Musa Ya. Galiulin, Veniamin O. Lapin, Olga A. Romanova, Alexander V. Lappa, Anastasiya E. Anchugova

Author Affiliations +

Proceedings Volume 10876, Optical Interactions with Tissue and Cells XXX; 108761C (2019) https://doi.org/10.1117/12.2510702
Event: SPIE BiOS, 2019, San Francisco, California, United States

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.

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Ivan A. Abushkin, Vladimir M. Chudnovsky, Anna G. Denis, Musa Ya. Galiulin, Veniamin O. Lapin, Olga A. Romanova, Alexander V. Lappa, and Anastasiya E. Anchugova "Photothermal interactions with interstitial thermotherapy of vascular formations by infrared laser radiation of different wavelengths and the possibility of their ultrasonic evaluation", Proc. SPIE 10876, Optical Interactions with Tissue and Cells XXX, 108761C (1 March 2019); https://doi.org/10.1117/12.2510702

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