Minimally Invasive Resection of an Extradural Far Lateral Lumbar Schwannoma with Zygapophyseal Joint Sparing: Surgical Nuances and Literature Review
Figure 1
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.
