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Preoperative MRI documents a right L3/L4 completely extradural dumbbell-shaped tumor with extraforaminal extension into the right psoas muscle: (a) T1-weighted; (b) axial T2-weighted with gadolinium enhancement; (c) sagittal T1-weighted showing extraforaminal and foraminal tumor components; (d) sagittal T2-weighted with gadolinium enhancement showing extraforaminal and foraminal tumor components; (e) coronal view with gadolinium.
