Brian tumor

A brain tumor is a solid tumor, intracranial tumor (defined as an abnormal growth of cells) in the brain or spinal central canal. Brain tumors account for all tumors inside the skull or the spinal central canal. They are created by abnormal and uncontrolled cell division, normally either in the brain (neurons, glial cells (astrocytes, oligodendrocytes, ependymal cells, myelin-producing Schwann cells), lymphatic tissue, blood vessels) of brain nerves in the brain envelopes (meninges), skull, pituitary and pineal gland, or spread of cancers primarily located in other organs (metastatic tumors).

Any brain tumor itself is serious, even fatal, because of its invasive nature and infiltrating the limited space of the intracranial cavity. However, brain tumors (malignant, even among themselves) do not automatically lead to death. Brain tumors or intracranial tumors can Cancer definitions (malignant) or noncancerous (benign), but benign or malignant tumors differ from those commonly used in other types of cancer or noncancerous tumors in the body. His level of threat depends on a combination of factors like the type of tumor, its location, size and development status. Because the brain is well protected by the skull, the early detection of a brain tumor only occurs when the diagnostic tools targeting intracranial cavity. Typically, detection occurs at an advanced stage, when the presence of the tumor have side effects that cause unexplained symptoms.