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|Title:||Detection of malignant lesions in vivo in the upper gastrointestinal tract using image-guided Raman endoscopy|
|Authors:||Bergholt, M.S. |
in vivo diagnosis
near-infrared Raman spectroscopy
|Source:||Bergholt, M.S., Zheng, W., Lin, K., Ho, K.Y., Yeoh, K.G., Teh, M., So, J.B.Y., Huang, Z. (2012). Detection of malignant lesions in vivo in the upper gastrointestinal tract using image-guided Raman endoscopy. Progress in Biomedical Optics and Imaging - Proceedings of SPIE 8219 : -. ScholarBank@NUS Repository. https://doi.org/10.1117/12.908652|
|Abstract:||Raman spectroscopy is a vibrational analytic technique sensitive to the changes in biomolecular composition and conformations occurring in tissue. With our most recent development of near-infrared (NIR) Raman endoscopy integrated with diagnostic algorithms, in vivo real-time Raman diagnostics has been realized under multimodal wide-field imaging (i.e., white- light reflectance (WLR), narrow-band imaging (NBI), autofluorescence imaging (AFI)) modalities. A selection of 177 patients who previously underwent Raman endoscopy (n=2510 spectra) was used to render two robust models based on partial least squares - discriminant analysis (PLS-DA) for esophageal and gastric cancer diagnosis. The Raman endoscopy technique was validated prospectively on 4 new gastric and esophageal patients for in vivo tissue diagnosis. The Raman endoscopic technique could identify esophageal cancer in vivo with a sensitivity of 88.9% (8/9) and specificity of 100.0% (11/11) and gastric cancers with a sensitivity of 77.8% (14/18) and specificity of 100.0% (13/13). This study realizes for the first time the image-guided Raman endoscopy for real-time in vivo diagnosis of malignancies in the esophagus and gastric at the biomolecular level. © 2012 SPIE.|
|Source Title:||Progress in Biomedical Optics and Imaging - Proceedings of SPIE|
|Appears in Collections:||Staff Publications|
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