Primary Brain Tumor

Original source of tumor in the brain rather than other areas of the body. A primary brain tumor is a mass created by the growth or uncontrolled proliferation of abnormal cells in the brain. The cause of primary brain tumors is unknown. Primary brain tumors may be...

Probe

A surgical instrument for penetrating and exploring bodily passages and cavities. 1) A slender rod of flexible material, with blunt bulbous tip, used for exploring sinuses, fistulas, other cavities, or wounds. 2) A device or agent used to detect or explore a...