Fig. 3. Imaging factors alone in case 14 with cerebellar heterotopia. A. Axial proton density T2-weighted initial MR image (0.3T, non-epilepsy protocol)

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Fig. 3. Imaging factors alone in case 14 with cerebellar heterotopia. A. Axial proton density T2-weighted initial MR image (0.3T, non-epilepsy protocol) obtained at age of 4 years poorly demonstrates subtle iso-intense lesion (arrow) compared to cerebellar cortex in left cerebellum. B. Axial T2-weighted fast inversion recovery for myelin suppression repeat MR image (3T, dedicated epilepsy protocol) obtained at age of 11 years clearly shows small nodule (arrow), matching with area indicated in (A), with same signal intensity of cerebellar cortex (iso-intense on T1-weighted MR images, image not shown). This lesion is unchanged on second follow-up MRI obtained 15 months later (image not shown). Fig. 3. Imaging factors alone in case 14 with cerebellar heterotopia. A. Axial proton density T2-weighted initial MR image (0.3T, non-epilepsy protocol) obtained at age of 4 years poorly demonstrates subtle iso-intense lesion (arrow) compared to cerebellar cortex in left cerebellum. B. Axial T2-weighted fast inversion recovery for myelin suppression repeat MR image… Korean J Radiol. 2017 Jul-Aug;18(4):729-738. https://doi.org/10.3348/kjr.2017.18.4.729