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- W2353524871 abstract "Objective Laser induced fluorescence spectroscopy have been used in early diagnosis of GI cancer, but the device is expensive and inconvenient. The purpose of this study was to test the effectiveness and feasibility of a new device designed by the authors. Methods Two formulas were set up based on the analysis of OMA data and a new system was established. Fifteen samples of normal tissue and 40 cases of endoscopic diagnosed cancer were tested. Results (1) First formula: general energy of fluorescence was W 359～659 nm . (2) The second: the ratio of energy integral was W 359～460 nm /W 460～659 nm . (3) The sensitivity and specificity were 93.3% and 100.0% for 15 samples of gastro intestinal cancer in vitro and were 90.0% and 92.5% respectively for gastrointestinal cancer endoscopically. Conclusions (1) The deviec may help doctors to determine the characteristics of lesion in endoscopy and the efficacy of the instrument was the same as OMA system. (2) The cost was about one tenth of that for OMA system." @default.
- W2353524871 created "2016-06-24" @default.
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- W2353524871 date "2002-01-01" @default.
- W2353524871 modified "2023-09-23" @default.
- W2353524871 title "Effect of laser induced fluorescence-electrial signal on guiding biopsy under endoscopy" @default.
- W2353524871 hasPublicationYear "2002" @default.
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