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
 Male42 (48.8)
 Female44 (51.2)

Age86
 Range, 13.5–85.4 years
 Mean, 55.0 years
 Median, 57.2 years

Tumor size78
 Range, 2.0–8.5 cm
 Mean, 4.9 cm
 Median, 5.0 cm

Tumor location86
 Parasagittal-falcine26 (30.2)
 Convexity35 (40.7)
 Base24 (27.9)
 Frontal/frontobasal16 (18.6)

Tumor site86
 Left37
 Right31
 Bilateral18

Duration of signs/symptoms80
 Range, 0–36 months
 Mean, 7.5 months
 Median, 4.0 months

Presenting signs/symptoms83
 Headache23 (25.9)
 Hemiparesis22 (36.6)
 Seizures20 (24.7)
 Behavior changes12 (14)
 Cranial nerve palsy 6 (11.1)

Behavior changes83
 Present30 (36.1)
 Absent53 (73.9)

Edema58
 Absent10 (17.2)
 Mild 31 (53.4)
 Severe17 (29.3)

Cleavability42
 Cleavable 18 (42.9)
 Noncleavable24 (57.1)

The information on some parameters was not available for all patients.