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Proceedings Article

Multiphoton microscopy as a diagnostic imaging modality for lung cancer

[+] Author Affiliations
Ina Pavlova, Kelly R. Hume, Stephanie A. Yazinski, Rachel M. Peters, Robert S. Weiss, Watt W. Webb

Cornell Univ. (USA)

Proc. SPIE 7569, Multiphoton Microscopy in the Biomedical Sciences X, 756918 (February 26, 2010); doi:10.1117/12.841017
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From Conference Volume 7569

  • Multiphoton Microscopy in the Biomedical Sciences X
  • Ammasi Periasamy; Peter T. C. So; Karsten König
  • San Francisco, California | January 23, 2010

abstract

Lung cancer is the leading killer among all cancers for both men and women in the US, and is associated with one of the lowest 5-year survival rates. Current diagnostic techniques, such as histopathological assessment of tissue obtained by computed tomography guided biopsies, have limited accuracy, especially for small lesions. Early diagnosis of lung cancer can be improved by introducing a real-time, optical guidance method based on the in vivo application of multiphoton microscopy (MPM). In particular, we hypothesize that MPM imaging of living lung tissue based on twophoton excited intrinsic fluorescence and second harmonic generation can provide sufficient morphologic and spectroscopic information to distinguish between normal and diseased lung tissue. Here, we used an experimental approach based on MPM with multichannel fluorescence detection for initial discovery that MPM spectral imaging could differentiate between normal and neoplastic lung in ex vivo samples from a murine model of lung cancer. Current results indicate that MPM imaging can directly distinguish normal and neoplastic lung tissues based on their distinct morphologies and fluorescence emission properties in non-processed lung tissue. Moreover, we found initial indication that MPM imaging differentiates between normal alveolar tissue, inflammatory foci, and lung neoplasms. Our long-term goal is to apply results from ex vivo lung specimens to aid in the development of multiphoton endoscopy for in vivo imaging of lung abnormalities in various animal models, and ultimately for the diagnosis of human lung cancer.

© (2010) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Ina Pavlova ; Kelly R. Hume ; Stephanie A. Yazinski ; Rachel M. Peters ; Robert S. Weiss, et al.
"Multiphoton microscopy as a diagnostic imaging modality for lung cancer", Proc. SPIE 7569, Multiphoton Microscopy in the Biomedical Sciences X, 756918 (February 26, 2010); doi:10.1117/12.841017; http://dx.doi.org/10.1117/12.841017


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