Table 1.
Patient characteristics
| the PRMSC (n = 10) | the PMRC (n = 17) | |||
|---|---|---|---|---|
| Gender | ||||
| Male | 2 | 6 | ||
| Female | 8 | 11 | ||
| Age (years) | ||||
| Median | 54 | 53 | ||
| Range | 31–74 | 8–78 | ||
| Tumor maximum diameter (mm) | ||||
| Median | 38 | 50 | ||
| Range | 15–100 | 20–95 | ||
| Anatomical site (number of patients) | ||||
| Falx/Parasagittal | 2 | 2 | ||
| Cavernous sinus | 2 | |||
| Parasellar | 1 | 1 | ||
| tuberculum sellae | 1 | |||
| Optic nerve sheath | 3 | |||
| Olfactory groove | 1 | |||
| Sphenoidal ridge | 1 | 3 | ||
| Cerebellopontine angle | 1 | 1 | ||
| Middle cranial fossa | 1 | 3 | ||
| Tentorial | 3 | |||
| Petroclival | 1 | 1 | ||
| Surgery (number of patients) | ||||
| None | 3 | 7 | ||
| Biopsy | 3 | 1 | ||
| Removal | 5 | 9 | ||
| Simpson grade* | ||||
| I | 1 | |||
| II | 2 | |||
| III | 1 | |||
| IV | 1 | 9 | ||
| Interval between surgery (removal) and PBT (months) | ||||
| Median | 18.2 | 21.6 | ||
| Range | 0.4–251.9 | 3.1–127.1 | ||
| Histology WHO grade I (number of patients) | ||||
| Meningothelial | 4 | 5 | ||
| Fibrous | 2 | 1 | ||
| Transitional | 3 | |||
| Not documented | 2 | 1 | ||
| * Simpson Grade Meningioma Removal | ||||
| Grade | Tumor Resection | |||
| I | Macroscopically complete removal of dura, bone | |||
| II | Macroscopically complete removal, dural coagulation | |||
| III | Complete tumor resection, dura not coagulated | |||
| IV | Partial removal |