CANCER TREATMENT
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BRAIN CANCER
A brain tumor or intracranial neoplasm occurs when abnormal cells form within the brain. There are two main types of tumors: malignant or cancerous tumors and benign tumors. Cancerous tumors can be divided into primary tumors that started within the brain and those that spread from somewhere else known as brain metastasis tumors; this article deals mainly with primary tumors. All types of brain tumors may produce symptoms that vary depending on the part of the brain involved. These may include headaches, seizures, problem with vision, vomiting, and mental changes. The headache is classically worst in the morning and goes away with vomiting. More specific problems may include difficulty in walking, speaking and with sensation. As the disease progresses unconsciousness may occur.
. The most common types of primary tumors in adults are meningiomas and astrocytomas such as glioblastomas. In children the most common type is medulloblastomas. Diagnosis is usually by medical examination along with computed tomography ormagnetic resonance imaging. This is then often confirmed by biopsy. Based on the finding the tumors are divided into different grades or severity.
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