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本文报道颅内脑膜瘤1999例,男性占44.6％、女性占55.4％,平均年龄43±13岁,主要发生在大脑凸面、矢状窦旁、大脑镰旁、蝶骨嵴等部位。后期的1313例脑膜瘤中良性占87.6％、恶性占12.4％,良性脑膜瘤中内皮型占53.8％,纤维型占32.0％,过渡型6.8％、混合型0.8％,分型不详6.6％。天幕上的脑膜瘤以内皮型多见,天幕和后颅窝脑膜瘤以纤维型多见;恶性脑膜瘤中血管母细胞型占73.8％。脑膜肉瘤和良性脑膜瘤恶性变者占26.2％。恶性脑膜瘤好发于矢状窦旁、大脑镰旁、中颅窝和天幕,其发生率男性高于女性。
This article reports 1999 cases of intracranial meningioma, male 44.6%, female 55.4%, average age 43 ± 13 years old, mainly in the convex cerebrum, sagittal sinus next to the falx next to the sphenoid ridge and other parts. In the latter 1313 cases of meningioma, benign and malignant tumors accounted for 87.6%, 12.4%, 53.8%, 32.0%, 6.8%, 0.8% and 6.6%, respectively. The meningioma on the canopus is more common in the endothelium, the posterior fossa and posterior fossa meningioma is more common in the fibrous type; the malignant meningioma is 73.8% of the total. Meningosarcoma and benign meningioma malignant transformation accounted for 26.2%. Malignant meningiomas occur in the vicinity of the sagittal sinus, paralysis of the brain, the middle cranial fossa and the sky, the incidence of male over female.