Brain Tumors - Non Skull Base

A tumor or neoplasm is a localized new growth of tissue, with an abnormal structure or location. They usually involved the uncontrolled growth and division of cells. Normal cells grow at a set pace and eventually die after a certain number of divisions. Tumor cells grow faster than normal and often do not die as they are supposed to, but rather continue to grow and divide. Tumors are classified as either malignant or benign. Malignant tumors invade neighboring tissue, recurs after removal, and metastasizes (travels) to distant organs via the blood system. A benign tumor has none of these characteristics and are usually localized, well defined tumors.  
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