Infrared metrics for fixation-free liver tumor detection.
Infrared metrics for fixation-free liver tumor detection.
复制标题
用于免固定肝脏肿瘤检测的红外指标。
DOI:
10.1021/jp4073087
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发表时间:
2013
期刊:
影响因子:
--
通讯作者:
Coe,JamesV
中科院分区:
文献类型:
--
作者:
Chen,Zhaomin;Butke,Ryan;Miller,Barrie;Hitchcock,CharlesL;Allen,HeatherC;Povoski,StephenP;MartinJr,EdwardW;Coe,JamesV
Infrared (IR) spectroscopic imaging of human liver tissue slices has been used to identify and characterize liver tumors. Liver tissue, containing a liver metastasis of breast origin (mucinous carcinoma), was surgically removed from a consenting patient and frozen without formalin fixation or dehydration procedures, so that lipids and water remained in the tissues. A set of IR metrics (ratios of various IR peaks) was determined for tumors in fixation-free liver tissues. K-means cluster analysis was used to tell tumor from nontumor. In this case, there was a large reduction in lipid content upon going from nontumor to tumor tissue, and a well-resolved IR spectrum of nontumor liver lipid was obtained and analyzed. These IR metrics may someday guide work on IR spectroscopic diagnostics on patients in the operating room. This work also suggests utility for these methods beyond the identification of liver tumors, perhaps in the study of liver lipids.
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期刊:
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