malignant meningioma

Malignant meningioma refers to the characteristics of certain benign meningiomas, gradually undergoing malignant changes, showing the characteristics of malignant tumors. It is manifested as multiple recurrences of the tumor at the original site, and extracranial metastasis may occur. Malignant meningioma grows quickly, and the tumor invades the surrounding brain, causing glial hyperplasia in the surrounding brain tissue. With repeated surgical removal, tumors gradually...