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Figure 1: (a) Axial T1–WI shows two lesions with typical concentric pattern in the right centrum semi-oval, coexisting with plaque-like lesions in the left centrum semi-oval (arrows) and in the supratentorial right white matter area (b) Axial T2-WI shows two lesions with typical concentric pattern in the right centrum semi-oval, coexisting with plaque-like lesions in the left centrum semi-oval (arrows) and in the supratentorial right white matter area (c) The bigger larger lesion displays ring enhancement with Gd-DTPA (d) The bigger larger lesion shows altering isointensity and hypointensity concentric rings (e) The deep medullary veins in right side decrease in the minIP on ESWAN (f) Volumetrically reconstructed coronal 3D-TRICKS image shows absence of left internal jugular veins (arrow)

Figure 1: (a) Axial T1–WI shows two lesions with typical concentric pattern in the right centrum semi-oval, coexisting with plaque-like lesions in the left centrum semi-oval (arrows) and in the supratentorial right white matter area (b) Axial T2-WI shows two lesions with typical concentric pattern in the right centrum semi-oval, coexisting with plaque-like lesions in the left centrum semi-oval (arrows) and in the supratentorial right white matter area (c) The bigger larger lesion displays ring enhancement with Gd-DTPA (d) The bigger larger lesion shows altering isointensity and hypointensity concentric rings (e) The deep medullary veins in right side decrease in the minIP on ESWAN (f) Volumetrically reconstructed coronal 3D-TRICKS image shows absence of left internal jugular veins (arrow)