Glioma is now considered the most common tumors of the central nervous system, located in the brain.She of glial cells and is characterized by relatively high aggressiveness, as well as resistance to the main treatment.Gliomas characterized by location inside the brain tissue, often in the absence of timely treatment causes serious damage to adjacent tissues.In addition to that glioma can allocate destroys brain cells neurotransmitter glutamate, which is also the vast number of patients cause seizures.The appearance of symptoms such as dizziness, paralysis, as well as any neuropsychiatric disorder depends on where the tumor is located.
The bulk of patients with gliomas die in the first year of the disease due to the rapid growth of the tumor, as well as a fairly speedy process of metastasis.In medicine glioma to distinguish between age manifestation, grade, capacity for invasion, histologic features, etc.The most common symptoms include headaches, the appearance of the difficulties with speech and visi
Today, the question of how cancer cells are formed prior to the development of glioma, the exact answer does not matter.Most experts are inclined to the theory of the development of oligodendrogliomas Oligodendroglial germ and astrocytomas - of astrocyte.However, some recent studies have given life to a new theory of the formation of malignant cells not from gly, iealready mature cells, but because of slow profiling, and the direction of further development of the tumor astrocytoma or may be determined by the relevant oligodendromu genetic disorders.
Special care should be taken to the main symptom of glioma - a headache.Her character is usually determined by the subject of the tumor in the brain and may be covering the entire head, bursting from the inside, as well as donating to the back of the head and temples.In most cases, headache with gliomas quite sharply manifested in the morning and fades in the evening.Often the headache is accompanied by sudden vomiting and nausea.
CT and MRI in the diagnosis of glioma
most preferred imaging modality for the diagnosis of gliomas is magnetic resonance imaging, as is a more accurate way to make a preliminary diagnosis, as well as to determine the localization of the tumor due to obtain three-dimensional image.
Through MRI may identify a fairly small tumors, tumors that are located close to bone tumors that are at the initial stage of its development, and tumors of the brain stem.
In turn, computed tomography is necessary to use a fairly sophisticated X-ray equipment, and the method is not as sensitive as MRI in detecting tumors of small size, and only begin to develop tumors.However, CT is possible to determine thanks to the accompanying swelling state of the organism, e.g., hemorrhage, edema of the brain, etc.CT is often used to track disease recurrence.
Angiogram An angiogram allows you to assess cerebral blood flow.The procedure requires the introduction of a special dye into the bloodstream, which, having entered the blood vessels on X-rays reveal the tumor.
lumbar puncture A lumbar puncture requires local anesthesia.During this procedure, a fine needle doctor takes spinal fluid for further study it in the lab, where it is determined by the presence of abnormal cells.
However, it should be said that although the method and can be used to determine the presence of a number of tumor markers, yet to date for the foundation of the brain tumor markers have been identified.
biopsy and brain tumor
biopsy is a procedure for the taking of the tissue to detect abnormal cells in it.With this method, the study may identify the type of tumor, the presence of any changes in the tissue, which lead to the likelihood of developing cancer, as well as a number of other diseases of the brain.
Today biopsy is the most reliable method of diagnosing glioma.