Stability metrics for optic radiation tractography : towards damage prediction after resective surgery

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Abstract

An accurate delineation of the optic radiation (OR) is useful in reducing the risk of a visual field deficit after temporal lobe resective surgery. However, tractography, especially of the probabilistic kind, is prone to generate spurious (false-positive) streamlines that are poorly aligned with the surrounding bundle. Fiber-to-bundle coherence measures are applied to identify and remove spurious fibers, which together with test-retest parameter estimation can provide a reconstruction of the OR that is robust to the stochastic realization of probabilistic tractography. Pre- and post-operative comparison of the OR is performed for epilepsy patients to quantify the accuracy of damage prediction.
Original languageEnglish
Title of host publicationISMRM 25th Annual Meeting & Exhibition, 22-27 April 2017, Honolulu, Hawaii
Publication statusPublished - May 2017
Event25th ISMRM Annual Meeting and Exhibition - Honolulu, United States
Duration: 11 Apr 201727 Apr 2017
https://www.ismrm.org/2017-annual-meeting-exhibition/

Conference

Conference25th ISMRM Annual Meeting and Exhibition
Abbreviated titleISMRM2017
CountryUnited States
CityHonolulu
Period11/04/1727/04/17
Internet address

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