Research Article
Prognostic Implication of Preoperative Behavior Changes in Patients with Primary High-Grade Meningiomas
Table 1
Clinical characteristics of 86 cases of high-grade meningiomas.
| Parameter | (%) |
| Gender | 86 | Male | 42 (48.8) | Female | 44 (51.2) |
| Age | 86 | Range, 13.5–85.4 years |
— | Mean, 55.0 years | — | Median, 57.2 years | — |
| Tumor size | 78 | Range, 2.0–8.5 cm | — | Mean, 4.9 cm | — | Median, 5.0 cm | — |
| Tumor location | 86 | Parasagittal-falcine | 26 (30.2) | Convexity | 35 (40.7) | Base | 24 (27.9) | Frontal/frontobasal | 16 (18.6) |
| Tumor site | 86 | Left | 37 | Right | 31 | Bilateral | 18 |
| Duration of signs/symptoms | 80 | Range, 0–36 months | — | Mean, 7.5 months | — | Median, 4.0 months | — |
| Presenting signs/symptoms | 83 | Headache | 23 (25.9) | Hemiparesis | 22 (36.6) | Seizures | 20 (24.7) | Behavior changes | 12 (14) | Cranial nerve palsy | 6 (11.1) |
| Behavior changes | 83 | Present | 30 (36.1) | Absent | 53 (73.9) |
| Edema | 58
| Absent | 10 (17.2) | Mild | 31 (53.4) | Severe | 17 (29.3) |
| Cleavability | 42 | Cleavable | 18 (42.9) | Noncleavable | 24 (57.1) |
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The information on some parameters was not available for all patients.
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