Nonscanning large-area Raman imaging for ex vivo/in vivo skin cancer discrimination

被引:14
作者
Schmaelzlin, Elmar [1 ]
Moralejo, Benito [1 ]
Gersonde, Ingo [1 ,2 ]
Schleusener, Johannes [3 ,4 ]
Darvin, Maxim E. [3 ,4 ]
Thiede, Gisela [3 ,4 ]
Roth, Martin M. [1 ,5 ]
机构
[1] InnoFSPEC Potsdam, Leibniz Inst Astrophys Potsdam, Potsdam, Germany
[2] Univ Potsdam, Phys Chem, InnoFSPEC Potsdam, Potsdam, Germany
[3] Humboldt Univ, Charite Univ Med Berlin, Freie Univ Berlin, Berlin, Germany
[4] Berlin Inst Hlth, Dept Dermatol Venerol & Allergol, Ctr Expt & Appl Cutaneous Physiol, Berlin, Germany
[5] Univ Potsdam, Inst Phys & Astron, Potsdam, Germany
关键词
Raman spectroscopy; cancer diagnosis; Raman imaging; multichannel; astronomy; epidermis; dermis; IN-VIVO; POSITIVE MARGINS; SPECTROSCOPY; FLUORESCENCE; CAROTENOIDS; SENSITIVITY; DIAGNOSIS; RESECTION; SURGERY; CELLS;
D O I
10.1117/1.JBO.23.10.105001
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
Imaging Raman spectroscopy can be used to identify cancerous tissue. Traditionally, a step-by-step scanning of the sample is applied to generate a Raman image, which, however, is too slow for routine examination of patients. By transferring the technique of integral field spectroscopy (IFS) from astronomy to Raman imaging, it becomes possible to record entire Raman images quickly within a single exposure, without the need for a tedious scanning procedure. An IFS-based Raman imaging setup is presented, which is capable of measuring skin ex vivo or in vivo. It is demonstrated how Raman images of healthy and cancerous skin biopsies were recorded and analyzed. (C) The Authors. Published by SPIE under a Creative Commons Attribution 3.0 Unported License.
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页数:11
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