News tagged with brain tumors
A thought-provoking new therapeutic target for brain cancer?
Glioblastoma multiforme (GBM) is the most common of all malignant brain tumors that originate in the brain. Patients with GBM have a poor prognosis because it is a highly aggressive form of cancer that is commonly resistant ...
Feb 01, 2012 |
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Defects in the packaging of DNA in malignant brain tumors
Glioblastomas grow extremely aggressively into healthy brain tissue and, moreover, are highly resistant to radiation therapy and chemotherapy. Therefore, they are regarded as the most malignant type of brain tumor. Currently ...
Jan 30, 2012 |
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In lab, Pannexin1 restores tight binding of cells that is lost in cancer
First there is the tumor and then there's the horrible question of whether the cancerous cells will spread. Scientists increasingly believe that the structural properties of the tumor itself, such as how tightly ...
Jan 30, 2012 |
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Study finds mutations tied to aggressive childhood brain tumors
Researchers studying a rare, lethal childhood tumor of the brainstem discovered that nearly 80 percent of the tumors have mutations in genes not previously tied to cancer. Early evidence suggests the alterations play a unique ...
Jan 29, 2012 |
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Diagnostic brain tumor test could revolutionize care of patients
Researchers at UT Southwestern Medical Center have developed what they believe to be the first clinical application of a new imaging technique to diagnose brain tumors. The unique test could preclude the need ...
Jan 27, 2012 |
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Studies: Avastin may fight early breast cancers
Surprising results from two new studies may reopen debate about the value of Avastin for breast cancer. The drug helped make tumors disappear in certain women with early-stage disease, researchers found.
Jan 25, 2012 |
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Therapeutically useful stem cell derivatives in need of stability
Human stem cells capable of giving rise to any fetal or adult cell type are known as pluripotent stem cells. It is hoped that such cells, the most well known being human embryonic stem cells (hESCs), can be used to generate ...
Jan 24, 2012 |
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Possible new pathway can overcome glioblastoma resistance
Glioblastoma, a lethal brain cancer, is one of the most resistant to available therapies and patients typically live approximately 15 months.
Jan 24, 2012 |
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Team finds new way to image brain tumors, predict recurrence
After people with low-grade glioma, a type of brain cancer, undergo neurosurgery to remove the tumors, they face variable odds of survival — depending largely on how rapidly the cancer recurs. Even though their doctors ...
Jan 24, 2012 |
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Radiation-induced damage to brain tissue reversed by oxygen starvation in mice
Treating brain tumors with whole brain radiation therapy can damage healthy brain tissue, but a new study in mice reveals that limiting the oxygen supply, or hypoxia, can alleviate some of the cognitive impairment caused ...
Jan 18, 2012 |
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Seeing what's inside a tumor
Gliomas, the most common types of brain tumor, are also among the deadliest cancers: Their mortality rate is nearly 100 percent, in part because there are very few treatments available.
Jan 12, 2012 |
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Novel brain tumor vaccine acts like bloodhound to locate cancer cells
A national clinical trial testing the efficacy of a novel brain tumor vaccine has begun at Wake Forest Baptist Medical Center, the only facility in the Southeast to participate.
Jan 05, 2012 |
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Cancer-killing compound spares healthy cells
Lithocholic acid (LCA), naturally produced in the liver during digestion, has been seriously underestimated. A study published in the journal Oncotarget shows that LCA can kill several types of cancer cells, such as those ...
Jan 04, 2012 |
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Fish oil may hold key to leukemia cure
A compound produced from fish oil that appears to target leukemia stem cells could lead to a cure for the disease, according to Penn State researchers. The compound -- delta-12-protaglandin J3, or D12-PGJ3 ...
Dec 22, 2011 |
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Every cloud has a silver lining: Weather forecasting models could predict brain tumor growth
Ever wondered how meteorologists can accurately predict the weather? They use complex spatiotemporal weather models, i.e. mathematical equations that track the motions of the atmosphere through time and space, and combine ...
Dec 21, 2011 |
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Brain tumor
A brain tumor is an abnormal growth of cells within the brain or inside the skull, which can be cancerous or non-cancerous (benign).
It is defined as any intracranial tumor created by abnormal and uncontrolled cell division, normally either in the brain itself (neurons, glial cells (astrocytes, oligodendrocytes, ependymal cells), lymphatic tissue, blood vessels), in the cranial nerves (myelin-producing Schwann cells), in the brain envelopes (meninges), skull, pituitary and pineal gland, or spread from cancers primarily located in other organs (metastatic tumors).
Primary (true) brain tumors are commonly located in the posterior cranial fossa in children and in the anterior two-thirds of the cerebral hemispheres in adults, although they can affect any part of the brain.
In the United States in the year 2005, it was estimated there were 43,800 new cases of brain tumors (Central Brain Tumor Registry of the United States, Primary Brain Tumors in the United States, Statistical Report, 2005–2006), which accounted for 1.4 percent of all cancers, 2.4 percent of all cancer deaths, and 20–25 percent of pediatric cancers. Ultimately, it is estimated there are 13,000 deaths per year in the United States alone as a result of brain tumors.
For more information about Brain tumor, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
