Abstract
Colorectal cancer (CRC) is the second most deadly and third most common type of cancer worldwide. In this study, we assessed the improvement of the diagnostic potential of diffuse reflectance spectroscopy (DRS) for CRC detection upon extending the tissue probed depth (up to 2mm) and wavelength ranges (350-1919 nm) investigated in previous studies. We analyzed almost 3000 DR spectra (7.5 times more than previous studies) collected with 630-?m and 2500-?m source-detector distance probes by using support vector machines with potential to automate tissue classification. We achieved 96.1% sensitivity and 95.7% specificity and 0.987±0.005 AUC on tissue classification.
| Original language | English |
|---|---|
| Title of host publication | Optical Biopsy XX |
| Subtitle of host publication | Toward Real-Time Spectroscopic Imaging and Diagnosis |
| Editors | Robert R. Alfano, Stavros G. Demos, Angela B. Seddon |
| Publisher | SPIE |
| ISBN (Electronic) | 9781510647794 |
| DOIs | |
| Publication status | Published - 2022 |
| Event | Optical Biopsy XX: Toward Real-Time Spectroscopic Imaging and Diagnosis 2022 - Virtual, Online Duration: 20 Feb 2022 → 24 Feb 2022 |
Publication series
| Name | Progress in Biomedical Optics and Imaging - Proceedings of SPIE |
|---|---|
| Volume | 11954 |
| ISSN (Print) | 1605-7422 |
Conference
| Conference | Optical Biopsy XX: Toward Real-Time Spectroscopic Imaging and Diagnosis 2022 |
|---|---|
| City | Virtual, Online |
| Period | 20/02/22 → 24/02/22 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 3 Good Health and Well-being
Keywords
- Artificial intelligence
- Biomedical optics
- Biophotonics
- Colon cancer
- Colonoscopy
- Colorectal cancer
- Diffuse reflectance spectroscopy
- Elastic scattering spectroscopy
- Hyperspectral imaging
- Machine learning
- Near-infrared spectroscopy
- Optical diagnostics
- Optical spectroscopy
- Surgical guidance
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