In vivo classification of stomach and oesophageal tissues during upper gastrointestinal cancer surgery using diffuse reflectance spectroscopy

Ioannis Gkouzionis; Scarlet Nazarian; Maxime Giot; Ara Darzi; Nisha Patel; Christopher J. Peters; Daniel S. Elson

doi:10.1117/12.3016616

19 June 2024 In vivo classification of stomach and oesophageal tissues during upper gastrointestinal cancer surgery using diffuse reflectance spectroscopy

Ioannis Gkouzionis, Scarlet Nazarian, Maxime Giot, Ara Darzi, Nisha Patel, Christopher J. Peters, Daniel S. Elson

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Proceedings Volume PC13009, Clinical Biophotonics III; PC130090B (2024) https://doi.org/10.1117/12.3016616
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Abstract

Cancers of the upper gastrointestinal tract remain a major contributor to overall cancer risk. This study showcases the potential of diffuse reflectance spectroscopy in tissue characterisation intraoperatively during stomach and oesophageal cancer surgery. The data is normalised, and significant features are selected to improve tissue discrimination accuracy. Using a sterilisable reflection fibre probe, we achieved remarkable sensitivities: 88.11% and 97.09% for the stomach, and 88.35% and 95.05% for the oesophagus. The noteworthy outcomes of this research study have the potential to revolutionise surgical decision-making and accuracy, pushing the boundaries of technological integration in clinical practice.

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Ioannis Gkouzionis, Scarlet Nazarian, Maxime Giot, Ara Darzi, Nisha Patel, Christopher J. Peters, and Daniel S. Elson "In vivo classification of stomach and oesophageal tissues during upper gastrointestinal cancer surgery using diffuse reflectance spectroscopy", Proc. SPIE PC13009, Clinical Biophotonics III, PC130090B (19 June 2024); https://doi.org/10.1117/12.3016616

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KEYWORDS

Cancer

Tissues

Surgery

Stomach

Diffuse reflectance spectroscopy

In vivo imaging

Resection

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