Growth in the intracranial tumor known as brain tumors, including primary brain tumor occurred in brain parenchyma and by other parts of the body transferred to the secondary intracranial brain tumor.

• 生长于颅内的肿瘤通称为脑瘤，包括由脑实质发生的原发性脑瘤和由身体其他部位转移至颅内的继发性脑瘤。