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Abstract #1953

Framework for Categorizing Intracerebral Hemorrhage Age: A Step Towards Fully-Automated Characterization and Visualization

Thomas Lilieholm1, Matthew Larson2, Azam Ahmed3, and Walter F Block1,2,4
1Medical Physics, University of Wisconsin - Madison, Madison, WI, United States, 2Radiology, University of Wisconsin - Madison, Madison, WI, United States, 3Neurosurgery, University of Wisconsin - Madison, Madison, WI, United States, 4Biomedical Engineering, University of Wisconsin - Madison, Madison, WI, United States

Synopsis

Keywords: Stroke, BloodPrevious deep learning networks have autonomously identified, segmented, and quantified hematoma volumes in MR images of intracerebral hemorrhages (ICH). This information derived from this analysis would periodically augment surgical decisions during minimally invasive ICH evacuations. A limitation of these autonomous processes is the MRI contrast variations with varying clot ages precludes a generalizable CNN for ICH. We propose a multiparametric image processing pipeline for categorizing clots on the basis of their age, as determined by presented image contrast relative to local white matter. This determination can be used to select a properly trained CNN model based on age classification.

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Keywords