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. 2020 Jun;6(2):93–100. doi: 10.18383/j.tom.2020.00001

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© 2020 The Authors. Published by Grapho Publications, LLC

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Figure 3. — For the semiautomated CE-T1w segmentation, (A) a clinician must place a seed in the region of interest. (B) Otsu thresholding and filtering identifies extent of enhancement. (C) Indicates the segmented contour for a representative slice after region growing. (D) The entire volume of segmented lesion. The FLAIR segmentation also requires (E) users to make a seed within the hyperintense region. (F) After smoothing, thresholding, and region growing, the contour has segmented the extent of hyperintensity. (G) A volumetric representation of FLAIR hyperintensity for this patient.