期刊
BMC SURGERY
卷 20, 期 1, 页码 -出版社
BMC
DOI: 10.1186/s12893-019-0670-x
关键词
Parathyroid; Near-infrared; Auto-fluorescence; Thyroidectomy
类别
资金
- Fundamental Research Funds for the Central Universities [xjj2016106]
- Hospital Fund of the First Affiliated Hospital of Xi'an Jiaotong University, China [2016QN-05, 2019ZYTS-04, 2016QN-29]
- Key Research and Development Program of Shaanxi Province [2017SF-151]
- Basic Natural Science Research Program of Shaanxi Province [2017JM8072]
- Funds for Clinical Research Center for Thyroid Diseases of Shaanxi Province [.2017LCZX-03]
- Science and Technology Plan Project of Xi'an City [2019114613YX001SF042(5)]
Background To evaluate the efficacy of a sensitive, real-time tool for identification and protection for parathyroid glands during thyroidectomy. Methods Near-infrared (NIR) auto-fluorescence was measured intraoperatively from 20 patients undergoing thyroidectomy. Spectra were measured from suspicious parathyroid glands and surrounding neck tissues during the operation with a NIR fluorescence system. Fast frozen sections were performed on the suspicious parathyroid glands. Accuracy was evaluated by comparison with histology and NIR identification. Data were attracted for Fisher's linear discriminant analysis. Results The auto-fluorescence intensity of parathyroid was significantly higher than that of thyroid, fat and lymph node. The peak intensity of auto-fluorescence from parathyroid was 5.55 times of that from thyroid at the corresponding wave number. Of the 20 patients, the parathyroid was accurately detected and identified in 19 patients by NIR system, compared with their histologic results. One suspicious parathyroid did not exhibit typical spectra, and was proved to be fat tissue by histology. The NIR auto-fluorescence method had a 100% sensitivity of parathyroid glands identification and a high accuracy of 95%. The positive predictive value was 95%. The parathyroid gland have specific auto-fluorescence spectrum and can be separated from the other three samples through the Fisher's linear discriminant analysis. Conclusions NIR auto-fluorescence spectroscopy can accurately identify normal parathyroid gland during thyroidectomy. The Fisher's linear discriminant analysis demonstrated the specificity of the NIR auto-fluorescence of parathyroid tissue and its efficacy in parathyroid discrimination.
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