《英文msh詞典》Brain Malignant Neoplasm
[入口詞] Brain Malignant Neoplasm
[主題詞] Brain Neoplasms
[英文釋義] Neoplasms of the intracranial components of the central nervous system,including the cerebral hemispheres,basal ganglia,hypothalamus,thalamus,brain stem,and cerebellum. Brain neoplasms are subdivided into primary (originating from brain tissue) and secondary (i.e.,metastatic) forms. Primary neoplasms are subdivided into benign and malignant forms. In general,brain tumors may also be classified by age of onset,histologic type,or presenting location in the brain.