Preop MR scans

Preop MR scans

Preoperative positioning

1. Bone exposition

2. Surgical exposure of the dura mater

3. Surgical exposure of the tumor

4. Internal tumor debulking

5. Surgical exposure of the tumor margin after central tumor debulking

6. Surgical exposure of the tumor margin after central tumor debulking

7. Resection of the part of tumor (the tentorium is behind)

8. Complete extirpation of tumor

9. POSTOP CT scan