Please use this identifier to cite or link to this item: https://doi.org/10.1117/12.908652
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dc.titleDetection of malignant lesions in vivo in the upper gastrointestinal tract using image-guided Raman endoscopy
dc.contributor.authorBergholt, M.S.
dc.contributor.authorZheng, W.
dc.contributor.authorLin, K.
dc.contributor.authorHo, K.Y.
dc.contributor.authorYeoh, K.G.
dc.contributor.authorTeh, M.
dc.contributor.authorSo, J.B.Y.
dc.contributor.authorHuang, Z.
dc.date.accessioned2014-06-19T08:58:11Z
dc.date.available2014-06-19T08:58:11Z
dc.date.issued2012
dc.identifier.citationBergholt, 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
dc.identifier.isbn9780819488626
dc.identifier.issn16057422
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/74847
dc.description.abstractRaman 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.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1117/12.908652
dc.sourceScopus
dc.subjectcancer
dc.subjectesophagus
dc.subjectgastric
dc.subjectin vivo diagnosis
dc.subjectnear-infrared Raman spectroscopy
dc.typeConference Paper
dc.contributor.departmentBIOENGINEERING
dc.description.doi10.1117/12.908652
dc.description.sourcetitleProgress in Biomedical Optics and Imaging - Proceedings of SPIE
dc.description.volume8219
dc.description.page-
dc.identifier.isiut000302563700015
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