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A-F: Axial (A), coronal (C), and sagittal (E) T1-weighted precontrast images demonstrate a predominantly T1 hypointense mass (red arrows) with subtle peripheral T1 hyperintense signal (blue arrows) originating from the left thalamus and extending superiorly into the left lateral ventricle. Axial (B), coronal (D), and sagittal (F) T1-weighted postcontrast images demonstrate minimal contrast enhancement. (Color figures are available online.)
