Doctor insights on:
What Cause Brain Tumors
Multi-factorial: There are 4 things that contribute to all tumors: 1. Genetics 2. Mutation inducing factors (examples: smoking, drinking, etc). 3. Aging 3. Unknown causes (there are definitely people without family history or obvious "bad habits" that develop brain tumors). ...Read moreSee 1 more doctor answer
Both: Most patients with brain tumors have edema "swelling" around the tumor. Drugs, such as dexamethasone, which reduce the edema reduce the symptoms, but usually do not eliminate symptoms. This is evidence that both the tumor itself and edema contribute to the symptoms of brain tumors. ...Read more
Brain tumors: In most cases of pediatric brain tumors the cause is not known. There are genetic studies being done that are starting to locate markers and mutations that can cause tumors of this type. There are also some rare inherited syndromes that have a higher incidence of brain tumors but these are rare. ...Read more
Tumor origins: Brain tumors, like any neoplasms in the body, can be induced by an interplay of genetic and environmental factors. In other words, there are inherited predispositions in some cases. One environmental factors known to induce some brain tumors is radiation exposure. Unfortunately, there is much that we still do not know about how these tumors start. ...Read more
Etiology of tumors: Exposure to Radiation is the only definite risk factor for all types of brain tumors ( meningiomas and gliomas) History of previous cancers during childhood ( leukemias, lymphomas) Genetic conditions such Neurofibromatosis type 1 and 2 Tuberous sclerosis, Li Fraumeni, Von hippel Lindau,Turcot ,Turner and Grolin Syndromes AIDS power lines, cell phones , hair dye and smoking not proven as causes. ...Read more
Most are random: All tumors result from accumulated genetic mutations that give a growth advantage to clones of cells. Most strike at random without clear environmental risks. A few familial syndrome (turcot's, neurofibromatosis, von hippel-lindau, lifraumeni, some rarities) feature increased risk for one or more types of brain tumors. If you have a brain tumor, nothing that you did caused it. Wishing you the best. ...Read more
Dumb luck: A few genetic syndromes put people at increased risk for brain tumors. Beyond this, we almost never find a cause. Tumors result from random mutations that become propagated. No one's to blame. Scientists who build careers by demonstrating new truths have failed to identify anything credible. The cell-phones claim has no rational or empirical basis. Best wishes. ...Read more
I went to eye doctor because i had photopsia. He found nothing wrong but i worry about having a brain tumor. What does photopsia caused by brain tumor look like?
An eye doctor is you: Eye doctor is your best source to answer this question. Unless you have headaches or any neurological symptoms, it is unlikely that your eye problem is due to a brain tumor. If the eye problem persists or gets worse you need to go see your doctor again and ask him this question. ...Read moreSee 1 more doctor answer
Very few: The cause of most brain tumors is unknown, but it is fairly clear that most are "sporadic", not caused by an inherited abnormalities. A small number of cases are, however, clearly caused by inherited genetic defects. Many of these present in childhood, not in adult life, but certain genetic syndromes cause adult tumors of specific types. You can get more details than this space allows. ...Read moreSee 1 more doctor answer
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