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Abstract #0864

Fully-Automated Delineation of the Optic Radiation

Lee Bremner Reid1, Eloy Martínez-Heras2, Magí Andorrà Inglés2, Elisabeth Solana2, Sara Llufriu2, José V Manjón3, and Jurgen Fripp1
1The Australian e-Health Research Centre, CSIRO, Brisbane, Australia, 2Center of Neuroimmunology, Laboratory of Advanced Imaging in Neuroimmunological Diseases, Hospital Clinic Barcelona, Institut d'Investigacions Biomediques August Pi i Sunyer and Universitat de Barcelona, Barcelona, Spain, 3ITACA, Universitat Politècnia de València, Valencia, Spain

The optic radiation (OR), is often severed during temporal lobe resection, resulting in permanent quadrantanopia. To date all published tractography methods that delineate the OR require manual input (e.g. region-of-interest placement and adjustment), or appear to underestimate Meyer’s Loop, limiting their widespread clinical adoption. Here, we present and validate the CONSULT pipeline for OR delineation. This pipeline accepts unprocessed DICOM images as input and produces realistic subject-specific segmentations of the OR, including Meyer’s Loop, without need for any human input. Its validation in 183 datasets demonstrated plausible delineations that are in line with previous dissection studies.

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