Table 1.
Patient Demographics & Tumor Characteristics
Patients (#) | 51 |
Median Age (yrs, range) | 62 (37–90) |
Median Follow Up (mo, range) | 31.6 (1–190) |
Sex (female, %) | 41 (80) |
Presenting symptoms (#, %) | |
Headache | 22 (43) |
Ataxia | 14 (27) |
Vertigo | 19 (37) |
Hydrocephalus | 13 (25) |
Cranial Neuropathy | |
Any | 31 (61) |
CN III, IV, VI | 2 (4) |
CN V | 15 (29) |
CN VII | 1 (2) |
CN VIII | 18 (35) |
Incidental | 4 (8) |
WHO Grade (n, %) | |
Grade I | 50 (98) |
Grade II | 1 (2) |
Largest tumor diameter (cm) | |
Median (Range) | 3.0 (0.8–6.2) |
Location on Petrous Face (n, %) | |
Anterior | 11 (21) |
Middle | 7 (14) |
Posterior | 27 (53) |
Anterior and Middle | 1 (2) |
Middle and Posterior | 4 (8) |
Anterior, Middle and Posterior | 1 (2) |
Extent of Resection (n, %) | |
Gross-total | 32 (63) |
Near-total | 7 (14) |
Sub-total | 12 (24) |
Adjuvant Radiosurgery (n, %) | 10 (24) |
Residual tumor | 2 (4) |
Recurrent tumor | 8 (16) |
Recurrence Rate (n, %) | 8 (15.7) |
Abbreviations: CN, cranial nerve; yrs, years; mo, months