Optically clearing tissue as an initial step for 3D imaging of core biopsies to diagnose pancreatic cancer

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dc.contributor.author Das, Ronnie
dc.contributor.author Agrawal, Aishwarya
dc.contributor.author Upton, Melissa P.
dc.contributor.author Seibel, Eric J.
dc.contributor.other Optical Interactions with Tissue and Cells XXV; and Terahertz for Biomedical Applications
dc.coverage.spatial San Francisco, US
dc.date.accessioned 2014-04-26T04:32:28Z
dc.date.available 2014-04-26T04:32:28Z
dc.date.issued 2014-02-01
dc.identifier.citation Das, Ronnie; Agrawal, Aishwarya; Upton, Melissa P. and Seibel, Eric J., "Optically clearing tissue as an initial step for 3D imaging of core biopsies to diagnose pancreatic cancer", in Proc. SPIE 8941, Optical Interactions with Tissue and Cells XXV; and Terahertz for Biomedical Applications, San Francisco, US, Feb. 01, 2014. en_US
dc.identifier.uri https://repository.iitgn.ac.in/handle/123456789/1248
dc.description.abstract The pancreas is a deeply seated organ requiring endoscopically, or radiologically guided biopsies for tissue diagnosis. Current approaches include either fine needle aspiration biopsy (FNA) for cytologic evaluation, or core needle biopsies (CBs), which comprise of tissue cores (L = 1-2 cm, D = 0.4-2.0 mm) for examination by brightfield microscopy. Between procurement and visualization, biospecimens must be processed, sectioned and mounted on glass slides for 2D visualization. Optical information about the native tissue state can be lost with each procedural step and a pathologist cannot appreciate 3D organization from 2D observations of tissue sections 1-8 μm in thickness. Therefore, how might histological disease assessment improve if entire, intact CBs could be imaged in both brightfield and 3D? CBs are mechanically delicate; therefore, a simple device was made to cut intact, simulated CBs (L = 1-2 cm, D = 0.2-0.8 mm) from porcine pancreas. After CBs were laid flat in a chamber, z-stack images at 20x and 40x were acquired through the sample with and without the application of an optical clearing agent (FocusClear®). Intensity of transmitted light increased by 5-15x and islet structures unique to pancreas were clearly visualized 250-300 μm beneath the tissue surface. CBs were then placed in index matching square capillary tubes filled with FocusClear® and a standard optical clearing agent. Brightfield z-stack images were then acquired to present 3D visualization of the CB to the pathologist. © (2014) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only. en_US
dc.description.statementofresponsibility by Ronnie Das, Aishwarya Agrawal, Melissa P. Upton and Eric J. Seibel
dc.language.iso en en_US
dc.publisher SPIE Digital Library en_US
dc.subject 3D visualizations en_US
dc.subject Biopsy en_US
dc.subject Capillaries en_US
dc.subject Core needle biopsy en_US
dc.subject Optical clearing en_US
dc.subject Pancreas en_US
dc.subject Pancreatic cancer en_US
dc.subject Stereoscopy en_US
dc.subject Tissues en_US
dc.subject Visualization en_US
dc.title Optically clearing tissue as an initial step for 3D imaging of core biopsies to diagnose pancreatic cancer en_US
dc.type Article en_US


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