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Understanding Brain Tumours Types of Brain Tumours: Primary and Secondary Causes and Risk Factors of Brain Tumours Common Symptoms of Brain Tumours Treatment Options for Brain Tumours Brain Surgery (Craniotomy) Radiation Therapy Radiosurgery Brachytherapy Chemotherapy Targeted Therapy Immunotherapy Watchful Waiting/Active Surveillance Supportive Treatments: Shunts and Palliative Care Advances in Brain Tumour Research Conclusion

Understanding Brain Tumours: Symptoms, Causes, and Treatment Options

A brain tumour is an abnormal growth of cells inside the brain. Since the skull is a rigid structure with limited space, any growth can cause increased pressure and lead to serious health complications. Early detection of brain tumours is critical for improving treatment success and survival rates.

Brain tumours are the second leading cause of cancer-related deaths in children under 15 and among the fastest-growing cancer causes in adults over 65. These tumours can be benign (noncancerous) or malignant (cancerous). Even benign tumours can be life-threatening if they grow and increase pressure within the skull.

Types of Brain Tumours

1. Primary Brain Tumours

These originate directly in the brain. While some are noncancerous, others may be malignant. Common examples include:

Meningioma
Glioma

In rare cases, primary tumours may spread to other parts of the central nervous system.

2. Secondary (Metastatic) Brain Tumours

Secondary tumours are more common and usually malignant. They start in another part of the body (such as the lungs or breast) and then spread (metastasise) to the brain. These tumours grow aggressively, pressing on or invading brain tissue.

Causes and Risk Factors of Brain Tumours

The exact causes of brain tumours remain unclear, but several risk factors can increase the likelihood:

Age – Risk rises with age, especially between 85–89 years, though some tumours are common in children.
Radiation Exposure – High-dose radiation (e.g., radiotherapy or repeated CT scans) may raise the risk.
Genetics and Family History – Rare genetic disorders like neurofibromatosis or tuberous sclerosis can predispose individuals.
Lifestyle Choices – Smoking, obesity, alcohol abuse, and chemical exposure may play a role.
Previous Cancer History – People with past cancer diagnoses have higher chances of brain tumours.

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Common Symptoms of Brain Tumours

Brain tumour symptoms vary depending on the tumour’s size, type, and location. Some of the most common warning signs include:

Persistent or worsening headaches
Nausea and vomiting without clear cause
Seizures (especially if unexpected)
Vision problems such as blurred or double vision
Difficulty with speech or communication
Confusion, memory loss, or personality changes
Weakness or numbness in arms or legs
Problems with balance and coordination
Severe fatigue or drowsiness

If you notice these symptoms, seek medical attention promptly.

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Treatment Options for Brain Tumours

Modern medicine offers several brain tumour treatment options depending on the type, size, and stage of the tumour:

Brain Surgery (Craniotomy): Surgical removal of the tumour; sometimes performed while the patient is awake.
Radiation Therapy: High-energy X-rays used to destroy or shrink tumour cells.
Radiosurgery: Non-invasive, precise radiation techniques like Gamma Knife or proton therapy.
Brachytherapy: Placement of radioactive implants near or inside the tumour.
Chemotherapy: Use of powerful drugs (oral or injectable) to kill cancer cells.
Targeted Therapy: Focuses on specific tumour markers, reducing damage to healthy cells.
Immunotherapy: Boosts the immune system to fight tumour cells.
Watchful Waiting: Small, slow-growing tumours are monitored with scans instead of immediate treatment.

Supportive Treatments

Shunts to relieve fluid pressure.
Steroids and medications to control swelling.
Palliative care to improve patient comfort and quality of life.

Advances in Brain Tumour Research

Continuous brain tumour research is improving survival rates and treatment methods. Key areas of progress include:

Genetic research to detect inherited risks.
Studies on radiation and environmental exposure.
Development of advanced immunotherapy and targeted drugs.
Better imaging technologies for faster and earlier diagnosis.

These innovations give hope for more personalised and effective treatment plans.

Conclusion

Brain tumours remain one of the most complex medical challenges, but advancements in science are improving outcomes every year. The key to better survival is early diagnosis, awareness of symptoms, and timely medical consultation.

If you suspect signs of a brain tumour, consult a qualified healthcare professional for accurate diagnosis and treatment advice. Taking action early can save lives and improve quality of life.

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