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Axial brain slices from head CT (top) and results of CSF segmentation from a 82-year old woman with initial NIHSS of 18. Baseline CT (A) was performed within 1 h of stroke onset (CSF volume 224 ml). First follow-up CT (B) was performed at 20-h (CSF volume 150 ml) and second follow-up CT (C) at 110-h (CSF volume 105 ml).
