Brain cancer is a condition caused by a malignant tumor that grows in the brain. Brain tumor itself is caused by the growth of abnormal cells in tissues, nerve cells, the protective membranes of the brain or spinal cord.
Malignant tumor causes brain cancer can spread uncontrollably to the part of the body near the brain to take place, the blood, and also of the nutrients that are in the network. In fact, not uncommon to this malignant cancer cells spread to other parts of the body even further through the bloodstream.
Brain cancer is distinguished into two, i.e. the primary brain cancer and brain cancer secondary (metastases). Primary brain cancer caused by the emergence of one of the cells in the brain that grow not natural and transformed into cancer cells. This transformed cells then evolved so that cause tumors. Meanwhile, secondary or metastatic brain cancer is cancer of the brain that is triggered by the growth of tumor cells in other parts of the body that is spreading to parts of the brain. It is this type of cancer are recorded into the causes of brain cancer cases in the world.
The cause of the tumor and brain cancer
The cause of the occurrence of brain cancer are still yet to be known. However, there are several factors that can trigger the risk of brain cancer on a person, such as genetic factors, toxins from the environment are dangerous, radiation in the head section, HIV infection, and also the bad habit of smoking.
Symptoms of brain cancer
Initially, symptoms of brain cancer would be the same with the symptoms of other diseases, namely dizziness or headaches, fatigue, often feel confused, difficulty walking up to a seizure. In some cases, brain cancer sufferers can also experience difficulty concentrating, difficulty remembering, nausea, vomiting and experiencing vision problems.
If you constantly feel the symptoms that have been mentioned above, the only way to detect the presence of cancer of the brain is to do a CT Scan or a brain scan. With a CT scan or an MRI, a doctor or medical expert can tell if the perceived cause of the symptoms is the presence of a tumor suppressing part of the brain or because of swelling due to inflammation of the tumor.