Brain Tumor Types and Their Characteristics
Explore the diverse types of brain tumors, including their origins, growth patterns (benign vs. malignant), and unique characteristics. Understand the differences to better comprehend diagnosis and treatment approaches.
Written by Dr. J T Hema Pratima
Reviewed by Dr. Dhankecha Mayank Dineshbhai MBBS
Last updated on 7th Aug, 2025
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Finding out that you or a loved one has a brain tumor can be overwhelming. But understanding the different types of brain tumors and their characteristics can help you make informed decisions about treatment and care. This guide will explain brain tumors in simple terms, covering their types, symptoms, causes, and ways to manage them.
What Is a Brain Tumor?
A brain tumor is an abnormal growth of cells in the brain. These tumors can be benign (noncancerous) or malignant (cancerous). While benign tumors grow slowly and usually don’t spread, malignant tumors grow aggressively and can affect surrounding brain tissue.
Types of Brain Tumors and Their Characteristics
Brain tumors are classified based on where they start and how they behave. Here are the main types:
1. Primary Brain Tumors (Start in the Brain)
These tumors originate in the brain itself. The most common types include:
a. Gliomas
Characteristics: Develop from glial cells (support cells of the brain).
Subtypes:
Astrocytoma (most common in adults and children).
Oligodendroglioma (slowgrowing, often in the frontal lobe).
Glioblastoma (GBM) (aggressive, fastgrowing, common in older adults).
Symptoms: Headaches, seizures, memory problems, personality changes.
b. Meningiomas
Characteristics: Grow from the meninges (protective layers around the brain).
Behavior: Usually benign but can press on brain tissue.
Symptoms: Headaches, vision problems, weakness in limbs.
c. Pituitary Adenomas
Characteristics: Develop in the pituitary gland (controls hormones).
Behavior: Mostly benign but can cause hormonal imbalances.
Symptoms: Vision issues, weight gain, fatigue, irregular periods.
d. Medulloblastomas
Characteristics: Fastgrowing, mostly in children (cerebellum region).
Symptoms: Balance problems, nausea, headaches.
e. Schwannomas (Acoustic Neuromas)
Characteristics: Affect nerve cells, often near the ear.
Symptoms: Hearing loss, dizziness, ringing in the ears.
2. Secondary (Metastatic) Brain Tumors (Spread from Other Body Parts)
Characteristics: These cancers start elsewhere (lungs, breast, skin) and spread to the brain.
Common Sources: Lung cancer, breast cancer, melanoma.
Symptoms: Similar to primary tumors (headaches, seizures, confusion).
Consult Top Neurologist
What Causes Brain Tumors?
The exact cause is often unknown, but some risk factors include:
Genetic conditions (e.g., Neurofibromatosis, LiFraumeni syndrome).
Radiation exposure (previous cancer treatment).
Family history (rarely).
Age (some tumors are more common in children or older adults).
How Are Brain Tumors Diagnosed?
If you experience symptoms like persistent headaches, seizures, or vision problems, your doctor may recommend:
MRI or CT scan (to detect tumor location and size).
Biopsy (removing a small tissue sample for testing).
Neurological exams (checking reflexes, coordination, memory).
Treatment Options
Treatment depends on the tumor type, size, and location. Common approaches include:
Surgery (removing as much of the tumor as possible).
Radiation therapy (shrinking the tumor with high energy beams).
Chemotherapy (drugs to kill cancer cells).
Targeted therapy (medicines that attack specific tumor cells).
Steroids (to reduce swelling in the brain).
Living with a Brain Tumor: Tips for Management
While treatment is essential, lifestyle changes can help improve quality of life:
Healthy diet (fruits, vegetables, lean proteins).
Regular light exercise (as advised by your doctor).
Stress management (meditation, yoga, counseling).
Support groups (connecting with others facing similar challenges).
When to See a Doctor?
If you or a loved one experience:
Frequent, severe headaches.
Unexplained nausea/vomiting.
Sudden vision or speech problems.
Seizures or memory loss.
Don’t wait—consult a specialist immediately.
Need Help? Apollo24|7 Is Here for You
If you suspect a brain tumor or need expert advice, Apollo24|7 offers:
Expert neurologists and oncologists.
Advanced diagnostic tests (MRI, CT scans).
Personalized treatment plans.
Book a consultation today—early detection can make a big difference!
Final Thoughts
Brain tumors vary widely in type and severity, but understanding them helps in making informed health decisions. If you notice concerning symptoms, seek medical advice promptly. With the right treatment and support, many people manage brain tumors effectively and lead fulfilling lives.
Stay informed, stay hopeful!
Consult Top Neurologist
Consult Top Neurologist
Dr. Aditendraditya Singh Bhati
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18 Years • MBBS(2004), DNB Neurosurgery(2014); MNAMS; Fellow Neuroendoscopy
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