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Spectral imaging of thermal damage induced during microwave ablation in the liver

Clancy, NT; Gurusamy, K; Jones, G; Davidson, B; Clarkson, M; Hawkes, D; Stoyanov, D; (2018) Spectral imaging of thermal damage induced during microwave ablation in the liver. In: (Proceedings) 40th International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 17-21 July 2018, Honolulu, Hawaii, USA. IEEE (In press). Green open access

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Abstract

Induction of thermal damage to tissue through delivery of microwave energy is frequently applied in surgery to destroy diseased tissue such as cancer cells. Minimization of unwanted harm to healthy tissue is still achieved subjectively, and the surgeon has few tools at their disposal to monitor the spread of the induced damage. This work describes the use of optical methods to monitor the time course of changes to the tissue during delivery of microwave energy in the porcine liver. Multispectral imaging and diffuse reflectance spectroscopy are used to monitor temporal changes in optical properties in parallel with thermal imaging. The results demonstrate the ability to monitor the spatial extent of thermal damage on a whole organ, including possible secondary effects due to vascular damage. Future applications of this type of imaging may see the multispectral data used as a feedback mechanism to avoid collateral damage to critical healthy structures and to potentially verify sufficient application of energy to the diseased tissue.

Type: Proceedings paper
Title: Spectral imaging of thermal damage induced during microwave ablation in the liver
Event: 40th International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 17-21 July 2018, Honolulu, Hawaii, USA
Location: Honolulu, HI, USA
Dates: 17 July 2018 - 21 July 2018
Open access status: An open access version is available from UCL Discovery
Publisher version: https://embc.embs.org/2018/
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Surgery and Interventional Sci
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Surgery and Interventional Sci > Department of Surgical Biotechnology
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Computer Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Med Phys and Biomedical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/10059114
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