Table 1.
Clinical and demographic description of the sample.
| Clinical and Demographic Variables | Total Sample (n = 38) | Pre-post Follow-Up (n = 18) | Only Presurgical Evaluation (n = 10) | Only Postsurgical Evaluation (n = 10) |
|---|---|---|---|---|
| Age at first evaluation (mean, SD, range) (months) | 99 ± 46 (23–199) | 90 ± 50 (23–199) | 95 ± 34 (59–159) | 119 ± 50 (64–198) |
| Age at symptoms’ onset (months) | 71 ± 43 (12–163) | 72 ± 46 (12–152) | 79 ± 36 (12–133) | 62 ± 48 (14–163) |
| Age at surgery (months) | 85 ± 47 (18–203) | 91 ± 51 (23–203) | 98 ± 37 (59–161) | 66 ± 47 (18–176) |
| Sex (female, %) | 15 (39.5) | 9 (50) | 5 (50) | 1 (10) |
| Histological type (n, %) | ||||
| - Circumscribed astrocytic gliomas | 29 (76.3) | 12 (66.7) | 8 (90) | 9 (90) |
| - Glioneuronal and neuronal tumors | 8 (15.8) | 6 (27.8) | 1 (10) | 1 (10) |
| - Pediatric-type diffuse low-grade gliomas | 1 (3.8) | 0 | 1 (1) | 0 |
| Localization of tumor (n, %) | ||||
| Cortical hemispheric | 15 (39.5) | 10 (55.6) | 4 (40) | 1 (10) |
| - Temporal | 11 (28.9) | 7 (38.9) | 3 (30) | 1 (10) |
| - Parietal | 2 (5.3) | 1 (5.6) | 1 (10) | 0 |
| - Frontal | 2 (5.3) | 2 (11.1) | 0 | 0 |
| Sub-cortical | 7 (18.4) | 4 (22.3) | 3 (30) | 0 |
| - Thalamic zone | 6 (15.8) | 3 (16.7) | 3 (30) | 0 |
| - Hypothalamus/Pituitary zone | 1 (2.6) | 1 (5.6) | 0 | 0 |
| Posterior Fossa | 16 (42.2) | 3 (16.7) | 4 (40) | 9 (90) |
| - Cerebellum, hemisphere | 6 (15.8) | 2 (11.1) | 2 (20) | 2 (20) |
| - Cerebellum, vermis | 5 (13.2) | 1 (5.6) | 0 | 4 (40) |
| - Cerebellum, hemisphere and vermis | 2 (5.3) | 0 | 2 (20) | 0 |
| - Brainstem | 3 (7.9) | 0 | 0 | 3 (30) |
| Lateralization of tumor | ||||
| - Left | 15 (39.5) | 6 (33.3) | 7 (70) | 2 (20) |
| - Right | 17 (44.7) | 12 (66.7) | 3 (30) | 2 (20) |
| - Median/bilateral | 6 (15.8) | 0 | 0 | 6 (60) |
| Surgical removal | ||||
| - Complete | 22 (57.9) | 10 (55.6) | 5 (50) | 7 (70) |
| - Partial | 16 (42.1) | 8 (44.4) | 5 (50) | 3 (30) |
| Seizures outcome after surgery * | ||||
| - Seizures | 7 (18.4) | 3 (22.2) | 3 (30) | 1 (10) |
| - Free of seizures | 31 (81.6) | 15 (77.8) | 7 (70) | 9 (90) |
| Hydrocephalus | ||||
| - Yes | 6 (15.8) | 2 (11.1) | 2 (20) | 2 (20) |
| - No | 32 (84.2) | 16 (88.9) | 8 (80) | 8 (80) |
Legend: SD: standard deviation; * Seizures outcome after surgery was recorded using the Engel classification system [33].