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Abstract #0994

Automated Surfaced-based Detection of Focal Cortical Dysplasia using MR Fingerprinting

Ting-Yu Su1,2, Siyuan Hu2, Xiaofeng Wang3, Sophie Adler4, Konrad Wagstyl5, Zheng Ding1,2, Joon Yul Choi1, Ken Sakaie6, Ingmar Blümcke1,7, Hiroatsu Murakami1, Stephen Jones6, Imad Najm1, Dan Ma2, and Zhong Irene Wang1
1Epilepsy Center, Neurological Institute, Cleveland Clinic, Cleveland, OH, United States, 2Biomedical Engineering, Case Western Reserve University, Cleveland, OH, United States, 3Quantitative Health Science, Cleveland Clinic, Cleveland, OH, United States, 4University College London Great Ormond Street Institute for Child Health, London, United Kingdom, 5Wellcome Centre for Human Neuroimaging, London, United Kingdom, 6Imaging Institute, Cleveland Clinic, Cleveland, OH, United States, 7Neuropathology, University Hospitals Erlangen, Erlangen, Germany

Synopsis

Keywords: Epilepsy, MR FingerprintingFocal cortical dysplasia (FCD) is a common pathology in medically intractable focal epilepsy and often difficult to detect by visual inspection of conventional MRI. We developed a framework for automatic FCD detection using surface-based processing of conventional MRI and MR fingerprinting data. Thirty-six patients with FCD and 48 healthy controls were included. Improved vertex-wise and cluster-wise performance was seen when MRF and FLAIR features were added to T1w data. A second-stage cluster-wise classifier showed efficacy to reduce false-positive clusters. Interim results of patient-level sensitivity of 76% and low false-positive clusters in controls supported potential clinical applicability of the proposed framework.

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Keywords