Brain Tumors
Brain tumors are abnormal growths of cells within the brain or skull. They can be benign (non-cancerous) or malignant (cancerous) and vary widely in behavior and treatment.
Understanding Brain Tumors
Brain tumors are classified by the type of cell they originate from and their grade (how abnormal the cells appear). Primary brain tumors start in the brain, while metastatic brain tumors spread from cancers elsewhere in the body. Gliomas, meningiomas, and pituitary adenomas are among the most common types.
Common Symptoms
- New or changing headaches
- Seizures in someone without a history of seizures
- Gradual loss of sensation or movement in an arm or leg
- Difficulty with balance, speech, or vision
- Personality or behavior changes
- Nausea or vomiting without clear cause
How It Is Diagnosed
Diagnosis involves neurological examination, MRI with contrast, and often surgical biopsy or resection for histological and molecular analysis. Molecular markers are increasingly important for classification and treatment planning.
Frequently Asked Questions
Common questions about Brain Tumors
Are all brain tumors cancerous?
No. Many brain tumors are benign (non-cancerous), such as most meningiomas. However, even benign tumors can cause serious symptoms depending on their size and location, and may require treatment.
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