Table 3 Neurological status, immediate postoperative and at one year follow-up in comparison to preoperative status, comparing total vs. not-total removal groups. CN = cranial nerve.
Neurological deficits | Immediate postoperative status | Follow Up status | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Total Removal | Not-total removal | Total Removal | Not total removal | |||||||||||||
Total number | Postoperative development of pre-existing preoperative deficits | New deficits after surgery | Total Number | Postoperative development of pre-existing preoperative deficits | New deficits after surgery | Development of deficits (compared to immediate postoperative status) | Development of deficits (compared to immediate postoperative status) | |||||||||
worse | better | stable | worse | better | stable | worse | better | stable | worse | better | stable | |||||
CN 3/4/6 | 10 | 0 | 0 | 4 (40%) | 6 (60%) | 8 | 0 | 0 | 3 (37.5%) | 5 (62.5%) | 1 (10%) | 5 (50%) | 4 (40%) | 1 (12.5%) | 2 (25%) | 5 (62.5%) |
CN 5 | 12 | 1 (8.3%) | 1 (8.3%) | 10 (83.3%) | 0 | 9 | 4 (44.4%) | 1 (11.1%) | 4 (44.4%) | 0 | 3 (25%) | 2 (16.6%) | 7 (58.3%) | 1 (11.2%) | 3 (33.3%) | 5 (45%) |
CN 7 | 8 | 1 (12.5%) | 0 | 1 (12.5%) | 6 (75%) | 5 | 0 | 1 (20%) | 2 (40%) | 2 (40%) | 0 | 5 (62.5%) | 3 (37.5%) | 0 | 1 (20%) | 4 (80%) |
CN 8 | 15 | 1 (6.6%) | 1 (6.6%) | 11 (73.3%) | 2 (13.3%) | 4 | 2 (50%) | 0 | 2 (50%) | 0 | 0 | 6 (40%) | 9 (60%) | 0 | 3 (42.8%) | 4 (57.2%) |
Caudal Cranial nerves 9–12 | 9 | 0 | 2 (22.2%) | 3 (33.3%) | 4 (44.4%) | 6 | 0 | 1 (16.6%) | 1 (16.6%) | 4 (66.6%) | 1 (11.2%) | 3 (33.3%) | 5 (55.5%) | 0 | 3 (50%) | 3 (50%) |
Cerebellar signs (Ataxia and dizziness) | 17 | 1 (5.8%) | 4 (23.5%) | 11 (64.7%) | 1 (5.8%) | 9 | 0 | 1 (11.1%) | 7 (77.7%) | 1 (11.1%) | 2 (11.7%) | 9 (53%) | 6 (35.2%) | 1 (11.1%) | 1 (11.1%) | 7 (77.7%) |
Seizures | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 (100%) | 0 | 0 | 0 | 1 (100%) | 0 | 1 (100%) | 0 | 0 |
Hemi-symptomatic | 7 | 1 (14.2%) | 2 (28.5%) | 3 (42.8%) | 1 (14.2%) | 5 | 1 (20%) | 0 | 1 (20%) | 3 (60%) | 1 (14%) | 3 (42.5%) | 3 (42.8%) | 1 (20%) | 1 (20%) | 3 (60%) |
Total | 79 | 6 (7.5%) | 10 (12.6%) | 43 (54.4%) | 20 (25.3%) | 47 | 7 (15%) | 5 (10.5%) | 20 (42.5%) | 15 (32%) | 11 (8.8%) | 33 (43.0%) | 35 (46.8%) | 5 (10%) | 14 (28%) | 31 (62%) |
