write about brain tumor and its treatments and give surgery image
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A brain tumor arises due to an abnormal growth of cells that have proliferated in an uncontrolled manner. The tumors are graded according to how aggressive they are, with lower-grade tumors often being benign and higher-grade tumors being malignant.
When normal cells grow old or get damaged, they either undergo programmed cell death (apoptosis) or get repaired. However, mutations can occur in the cellular DNA that disrupt these regulatory processes and cells that would normally die, go on to survive and proliferate. These cells multiply and give rise to more cells that all contain the abnormal DNA. Eventually, these accumulating cells form a brain tumor.
Treatment
Treatment of a brain tumor depends on its size and location. Although benign tumors do not tend to spread, they can cause damage by pressing on areas of the brain if they are not treated early. Grade 1 tumors can often be removed in a surgical procedure and the patient cured. However, grade 2 tumors often grow back and have the potential to mutate and turn into high-grade tumors.
A primary malignant tumor requires urgent treatment to prevent it spreading and causing damage to other parts of the brain and body. Treatment may involve surgery, radiation therapy and chemotherapy. However, these tumors often grow back once they have been surgically removed.
For patients with secondary brain tumors due to metastasized cancer, treatment is aimed at relieving symptoms, prolonging survival and improving quality of life.
When normal cells grow old or get damaged, they either undergo programmed cell death (apoptosis) or get repaired. However, mutations can occur in the cellular DNA that disrupt these regulatory processes and cells that would normally die, go on to survive and proliferate. These cells multiply and give rise to more cells that all contain the abnormal DNA. Eventually, these accumulating cells form a brain tumor.
Treatment
Treatment of a brain tumor depends on its size and location. Although benign tumors do not tend to spread, they can cause damage by pressing on areas of the brain if they are not treated early. Grade 1 tumors can often be removed in a surgical procedure and the patient cured. However, grade 2 tumors often grow back and have the potential to mutate and turn into high-grade tumors.
A primary malignant tumor requires urgent treatment to prevent it spreading and causing damage to other parts of the brain and body. Treatment may involve surgery, radiation therapy and chemotherapy. However, these tumors often grow back once they have been surgically removed.
For patients with secondary brain tumors due to metastasized cancer, treatment is aimed at relieving symptoms, prolonging survival and improving quality of life.
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