Felger, Leonard; Rodríguez-Núñez, Omar; Gros, Romain; Maragkou, Theoni; McKinley, Richard; Moriconi, Stefano; Murek, Michael; Zubak, Irena; Novikova, Tatiana; Pierangelo, Angelo; Schucht, Philippe (2023). Robustness of the wide-field imaging Mueller polarimetry for brain tissue differentiation and white matter fiber tract identification in a surgery-like environment: an ex vivo study. Biomedical optics express, 14(5), pp. 2400-2415. Optical Society of America 10.1364/BOE.486438
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During neurooncological surgery, the visual differentiation of healthy and diseased tissue is often challenging. Wide-field imaging Muller polarimetry (IMP) is a promising technique for tissue discrimination and in-plane brain fiber tracking in an interventional setup. However, the intraoperative implementation of IMP requires realizing imaging in the presence of remanent blood, and complex surface topography resulting from the use of an ultrasonic cavitation device. We report on the impact of both factors on the quality of polarimetric images of the surgical resection cavities reproduced in fresh animal cadaveric brains. The robustness of IMP is observed under adverse experimental conditions, suggesting a feasible translation of IMP for in vivo neurosurgical applications.
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