The most common symptoms of primary and metastatic brain tumors are the same. A primary brain tumor refers to a lesion of abnormal cells that originate in the brain. A metastatic brain tumor refers to a lesion of abnormal cells that has spread to...
Brain tumors are abnormal growths or masses in the brain. Primary brain cancers arise directly from the cells of the brain. They can be noncancerous or cancerous. The Central Brain Tumor Registry of the United States estimates the occurrence of...
In 2009, 22,070 people were diagnosed with brain cancer, and 12,920 people died from the disease, according to the National Cancer Institute. Brain cancer, or a malignant brain tumor, can start in the brain as a primary tumor or from another...
Beginning around 1970, CT scans, or computer axial tomagraphy scans, became a popular imaging tool. They were particularly helpful when imaging areas of the body such as the brain that were otherwise inaccessible. With this new capability,...
Brain tumors are the result of quickly growing abnormal cells in the brain. Primary brain tumors, which are tumors that arise from the cells that support the neurons, can be either benign or cancerous. Metastatic brain tumors, which are due to...
Some types of brain cancers, known as primary tumors, arise when a particular type of brain cell undergoes transformation and grows and multiplies in abnormal ways, forming a tumor. Other, more common types of brain tumors, known as metastatic...
A brain tumor is an abnormal mass of cells that grows uncontrollably and expands inside the brain. An expanding tumor, which can be benign or malignant, can exert pressure on delicate tissues and interfere with brain function. A benign tumor is...
Brain tumors can cause serious problems because of the inherent fragility of the neurons within the brain. Because neurons are generally unable to divide and reproduce, brain cancer generally is caused by abnormal cells that come from other parts...
Brain metastasis occurs when the cancer spreads out from the breast and a secondary tumor is formed in the brain. The IRSA states that brain metastases are the most common type of brain cancer.
Your brain needs 15 percent of your total blood volume. It is through this precious blood that it gets the oxygen and glucose that is so vital for it to function. It is protected by a membrane, cushioned by fluid and protected, again, by bone....
Brain cancer can originate in the brain or move into the brain from another part of the body. Cells that begin in the brain are called primary brain tumors. Secondary brain tumors are called metastatic, or spreading, tumors that form somewhere...
Life expectancy for breast cancer is hard to determine, as it depends on the individual patient. The stage of breast cancer, treatment received and presence of metastases determine the patient's life expectancy. The life expectancy drops as the...
A dark spot can appear on an X-ray or scan for any number of reasons. Brain lesions usually are discovered accidentally when you're being diagnosed for an unrelated symptom, according to MayoClinic.com. Dark spots that indicate brain lesions...
A brain tumor is an abnormal growth by the cells in the brain. The cells reproduce themselves in an uncontrolled manner. These tumors can be benign (harmless) or malignant (cancerous). Primary brain tumors are growths that started in the brain,...
Every individual diagnosed with a brain tumor is considered a survivor. This is a process that continues through all stages, including initial diagnosis, through treatment and beyond. Brain tumors may be metastatic or benign and a doctor will...
According to MedlinePlus, brain tumors can be classified into two basic types: primary and metastatic tumors. Primary tumors start in the brain whereas metastatic tumors start elsewhere in the body and spread to the brain. Primary brain tumors are...
The optic nerve carries electrical impulses from your eye to your brain. Damage to the optic nerve can affect your ability to sight. Several types of calcium deposits can develop in the optic nerve. Calcium deposits may develop within protein...
According to the Cedars-Sinai Health Systems, approximately 1 percent of all diagnosed cancers are brain cancers. It also reports that most cancerous tumors in the brain are caused by the spread of cancerous cells elsewhere in the body; such a...
Tumors in the brain are, essentially, abnormal cells forming or growing into a mass. Despite the dire sound of a brain tumor, not all of them are cancerous. These types are called benign, while the cancerous form is called malignant. The Mayo...
Cervical spine metastasis is the medical term for a condition that describes a type of malignant or cancerous lesion or tumor on the cervical or neck area of the spine. Melanoma is often blamed as a primary cause of delayed appearance of...
Patients with aggressive and invasive breast cancer typically receive a mastectomy, a surgical procedure involving the removal of breast tissue. During a mastectomy, a surgeon removes the breast tissue, overlying skin and nipple. In some cases,...
Seizures are a dramatic manifestation of a serious disturbance in brain activity. A diverse variety of conditions and disorders can precipitate seizure activity in adults. Brain injury, brain swelling and increased pressure on the brain as well as...
Each lung contains a branched structure made up of airways called bronchi or bronchioles, as well as alvioli--small air sacs that facilitate oxygen transfer into the blood. Lung cancer may develop within the bronchi, bronchioles or air sacs, and...
The brain consists of four lobes: the frontal, temporal, occipital and parietal. Imagining a line on the top of the head from ear to ear, the portion of the brain at the top of the skull just to the rear of the line is the parietal lobe. In...
The brain functions to control your thoughts, memory, learning, speech, movement, sensations and behavior. Brain diseases and disorders adversely affect these functions. Red meat is a source of protein, iron and certain vitamins and other minerals...
Melanoma is a type of skin cancer that originates in the pigment-producing cells of the skin. In the early stages of the disease, cancerous cells are localized to the skin tissue; however, the cancer can spread to nearby and distant lymph nodes...
A tumor, also known as a neoplasm, is a group of cells that grows beyond normal boundaries. Cells either stop growing or die normally at a given point in time regulated by the cell's controlling mechanism---DNA or RNA. A tumor results when cells...
Brain tumors are created by abnormal and uncontrolled cell division. Learn about the symptoms and treatments for brain cancer in this video.