Use of multiple imaging modalities to detect ovarian cancer

Elizabeth Kanter; Ross Walker; Sam Marion; Patricia Hoyer; Jennifer K. Barton

doi:10.1117/12.585560

25 April 2005 Use of multiple imaging modalities to detect ovarian cancer

Elizabeth Kanter, Ross Walker, Sam Marion, Patricia Hoyer, Jennifer K. Barton

Proceedings Volume 5686, Photonic Therapeutics and Diagnostics; (2005) https://doi.org/10.1117/12.585560
Event: SPIE BiOS, 2005, San Jose, CA, United States

Abstract

Ovarian cancer is not a common cancer-approximately 25,000 new cases in 2004-but it is the fifth leading cause of death from cancer in women (over 16,000 in 2004). Little is known about the precursors and early stages of ovarian cancer partially due to the lack of human samples at the early stages. A cohesive model that incorporates ovarian cancer induction into a menopausal rodent would be well suited for comprehensive studies of ovarian cancer. Non-destructive imaging would allow carcinogenesis to be followed. Optical Coherence Tomography (OCT), Optical Coherence Microscopy (OCM) and Light-Induced Fluorescence (LIF) are minimally invasive optical modalities that allow both structural and biochemical changes to be noted. Rat ovaries were exposed to 4-vinylcyclohexene diepoxide (VCD) for 20 days in order to destroy the primordial follicles. Plain sutures and sutures coated with 7,12-dimethylbenz(a)anthracene (DMBA) were implanted in the right ovary, in order to produce epithelial based ovarian cancers (a plain suture was inserted in the control). Rats were sacrificed at 4 weeks and ovaries were harvested and imaged with a combined OCT/LIF system and with the OCM. Histology was preformed on the harvested ovaries and any pathology determined. Two of the ovaries were visually abnormal; the OCT/LIF imaging confirmed these abnormalities. The normal ovary OCM and OCT images show the organized structure of the ovary, the follicles, bursa and corpus lutea are visible. The OCM images show the disorganized structure of one of the abnormal ovaries. Overall this pilot study demonstrated the feasibility of both the animal model and optical imaging.

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Elizabeth Kanter, Ross Walker, Sam Marion, Patricia Hoyer, and Jennifer K. Barton "Use of multiple imaging modalities to detect ovarian cancer", Proc. SPIE 5686, Photonic Therapeutics and Diagnostics, (25 April 2005); https://doi.org/10.1117/12.585560

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KEYWORDS

Ovary

Optical coherence tomography

Ovarian cancer

Laser induced fluorescence

Luminescence

Cancer

Tissues

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