PRIMARY & SECONDARY BRAIN TUMOR
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Tumors can be benign or malignant, can occur in different parts of the brain, and may or may not be primary tumors. A primary tumor is one that has started in the brain, as opposed to ametastatic tumor, which is something that has spread to the brain from another part of the body. Tumors may or may not be symptomatic: some tumors are discovered because the patient has symptoms, others show up incidentally on an imaging scan, or at an autopsy.Cancer in the brain can start in the brain or spread from another cancer somewhere else in the body. Cancers that start in the brain are called primary brain tumours. Most of the information in this section of the website is about primary brain tumours. Some of it will be useful for both types. For example, the living with a brain tumour section.[7]
The most common primary brain tumors are:
The most common primary brain tumors are:
- Gliomas (50.4%)
- Meningiomas (20.8%)
- Pituitary adenomas (15%)
- Nerve sheath tumors (8%)