Four-dimensional optoacoustic temperature mapping in laser-induced thermotherapy

Francisco Javier Oyaga Landa; Xosé Luís Deán-Ben; Ronald Sroka; Daniel Razansky

doi:10.1117/12.2288924

19 February 2018 Four-dimensional optoacoustic temperature mapping in laser-induced thermotherapy

Francisco Javier Oyaga Landa, Xosé Luís Deán-Ben, Ronald Sroka, Daniel Razansky

Proceedings Volume 10494, Photons Plus Ultrasound: Imaging and Sensing 2018; 104940D (2018) https://doi.org/10.1117/12.2288924
Event: SPIE BiOS, 2018, San Francisco, California, United States

Abstract

Photoablative laser therapy is in common use for selective destruction of malignant masses, vascular and brain abnormalities. Tissue ablation and coagulation are irreversible processes occurring shortly after crossing a certain thermal exposure threshold. As a result, accurate mapping of the temperature field is essential for optimizing the outcome of these clinical interventions. Here we demonstrate four-dimensional optoacoustic temperature mapping of the entire photoablated region. Accuracy of the method is investigated in tissue-mimicking phantom experiments. Deviations of the volumetric optoacoustic temperature readings provided at 40ms intervals remained below 10% for temperature elevations above 3°C, as validated by simultaneous thermocouple measurements. The excellent spatio-temporal resolution of the new temperature monitoring approach aims at improving safety and efficacy of laser-based photothermal procedures.

Conference Presentation

Citation Download Citation

Francisco Javier Oyaga Landa, Xosé Luís Deán-Ben, Ronald Sroka, and Daniel Razansky "Four-dimensional optoacoustic temperature mapping in laser-induced thermotherapy", Proc. SPIE 10494, Photons Plus Ultrasound: Imaging and Sensing 2018, 104940D (19 February 2018); https://doi.org/10.1117/12.2288924

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available