Spectral imaging detects breast cancer in fresh unstained specimens

Alice Chung; Mark Gaon M.D.; Jihoon Jeong M.D.; Scott Karlan; Erik Lindsley; Sebastian Wachsmann-Hogiu; Yizhi Xiong; Tong Zhao; Daniel L. Farkas

doi:10.1117/12.644927

22 February 2006 Spectral imaging detects breast cancer in fresh unstained specimens

Alice Chung, Mark Gaon M.D., Jihoon Jeong M.D., Scott Karlan, Erik Lindsley, Sebastian Wachsmann-Hogiu, Yizhi Xiong, Tong Zhao, Daniel L. Farkas

Author Affiliations +

Proceedings Volume 6088, Imaging, Manipulation, and Analysis of Biomolecules, Cells, and Tissues IV; 608806 (2006) https://doi.org/10.1117/12.644927
Event: SPIE BiOS, 2006, San Jose, California, United States

Abstract

Spectral imaging has recently been introduced in the biomedical field as a noninvasive, quantitative means of studying biological tissues. Many of its potential applications have been demonstrated (in vitro and, to a lesser degree, in vivo) with the use of stains or dyes. Successful translation to the clinical environment has been largely lagging, due to safety considerations and regulatory limitations preventing use of contrast agents in humans. We report experiments showing the feasibility of high-resolution spectral imaging of breast cancer without the use of contrast agents, thus completing the continuum of translational research, to in vivo imaging that will be directly applicable in the clinical environment. Our initial work focused on image acquisition using Fourier transform microinterferometry and subsequent segmentation of both stained and unstained breast cancer slides-derived image sets. We then applied our techniques to imaging fresh unstained ex vivo specimens of rat breast cancer and sentinel lymph nodes. We also investigated multiple methods of classification to optimize our image analyses, and preliminary results for the best algorithm tested yielded an overall sensitivity of 96%, and a specificity of 92% for cancer detection. Using spectral imaging and classification techniques, we were able to demonstrate that reliable detection of breast cancer in fixed and fresh unstained specimens of breast tissue is possible.

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Alice Chung, Mark Gaon M.D., Jihoon Jeong M.D., Scott Karlan, Erik Lindsley, Sebastian Wachsmann-Hogiu, Yizhi Xiong, Tong Zhao, and Daniel L. Farkas "Spectral imaging detects breast cancer in fresh unstained specimens", Proc. SPIE 6088, Imaging, Manipulation, and Analysis of Biomolecules, Cells, and Tissues IV, 608806 (22 February 2006); https://doi.org/10.1117/12.644927

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