Posts Tagged ‘Brain Tumors’
Overview of Brain Tumors
A brain tumor is a group of abnormal cells growing in the brain or around it. Tumors can directly destroy healthy brain cells. They can also indirectly damage them by invading other parts of the brain and cause inflammation, brain swelling and pressure inside the skull.
Brain tumors can be malignant or benign. A malignant tumor, also called brain cancer often grows quickly invade healthy brain areas. Benign tumors do not contain cancer cells. Viewed under a microscope to look normal, and usually grow slowly.
Brain tumors can be of two types: primary or metastatic. Primary brain tumors originate in the brain, and metastatic cancer cells appear when another part of the body spread to the brain. Therefore, metastatic brain tumors are almost always malignant, while primary tumors may be benign or malignant. Read the rest of this entry »