case_images: PMC9329627_01
case_images: MRI sequences demonstrating typical appearance of extensive skull base meningioma (upper row left: T1 without contrast, upper row right: T2, lower row: T1 with contrast).
case_images: fsurg-09-908645-g001.jpg
case_images: PMC9329627_01_fsurg-09-908645-g001.jpg
case_images: F1
case_images: They had slowly progressed over many years, now causing significant brainstem compression (Figure 1).
case_images: Leksell gamma plan snapshot of the radiosurgery plan.
case_images: fsurg-09-908645-g002.jpg
case_images: PMC9329627_01_fsurg-09-908645-g002.jpg
case_images: F2
case_images: The total treatment volume was 14.4 cc and a prescription dose of 12 Gy was delivered on the 50% isodose line (Figure 2).
case_images: Contrast-enhanced T1 MR images at the time of radiosurgery (left column), at 6 months follow-up (middle column) and at 52 months follow-up (right column).
case_images: fsurg-09-908645-g003.jpg
case_images: PMC9329627_01_fsurg-09-908645-g003.jpg
case_images: F3
case_images: At the last FU, 52 months after GKRS, the patient still has no residual symptom, walking independently without any aid, and complete tumor response is maintained on MRI (Figure 3).