Astrocytoma,Grade IV

《英文msh詞典》Astrocytoma,Grade IV
[同義詞] Astrocytoma,Grade IV
[主題詞] Glioblastoma
[中文釋義] 星形細胞瘤,Ⅳ級
[英文釋義] A malignant form of astrocytoma histologically characterized by pleomorphism of cells,nuclear atypia,microhemorrhage,and necrosis. They may arise in any region of the central nervous system,with a predilection for the cerebral hemispheres,basal ganglia,and commissural pathways. Clinical presentation most frequently occurs in the fifth or sixth decade of life with focal neurologic signs or seizures.