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Proceedings Article

Infrared spectroscopic imaging of kidney tumor tissue

[+] Author Affiliations
V. Sablinskas, J. Ceponkus, M. Pucetaite, S. Strazdaite, V. Urboniene, F. Jankevicius

Vilnius Univ. (Lithuania)

G. Steiner, E. Koch

Dresden Univ. of Technology (Germany)

Proc. SPIE 7902, Imaging, Manipulation, and Analysis of Biomolecules, Cells, and Tissues IX, 790221 (February 22, 2011); doi:10.1117/12.875258
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From Conference Volume 7902

  • Imaging, Manipulation, and Analysis of Biomolecules, Cells, and Tissues IX
  • Daniel L. Farkas; Dan V. Nicolau; Robert C. Leif
  • San Francisco, California, USA | January 22, 2011

abstract

Infrared spectroscopic imaging of cancerous kidney tissue was performed by means of FTIR microscopy. The spectra of thin tissue cryosections were collected with 64x64 MCT FPA detector and imaging area was increased up to 5.4×5.4 mm by mapping by means of PC controlled x,y stage. Chemical images of the samples were constructed using statistical treatment of the raw spectra. Several unsupervised and supervised statistical methods were used. The imaging results are compared with results of the standard histopathological analysis. It was concluded that application of method of cluster analysis ensures the best contrast of the images. It was found that border between cancerous and normal tissues visible in the infrared spectroscopic image corresponds with the border visible in histopathological image. Closer examination of the infrared spectroscopic image reveals that small domains of cancerous cells are found beyond the border in areas distant from the border up to 3 mm. Such domains are not visible in the histopathological images. The smallest domains found in the infrared images are approx. 60 μm.

© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

V. Sablinskas ; G. Steiner ; E. Koch ; J. Ceponkus ; M. Pucetaite, et al.
"Infrared spectroscopic imaging of kidney tumor tissue", Proc. SPIE 7902, Imaging, Manipulation, and Analysis of Biomolecules, Cells, and Tissues IX, 790221 (February 22, 2011); doi:10.1117/12.875258; http://dx.doi.org/10.1117/12.875258


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