Table of Contents
Introduction
Your brain is like the body’s ultimate control center. Even tiny changes inside the brain can affect how you speak, walk, see, or remember things. So when it comes to brain health, even small changes can have a big impact. Glioma (a type of tumor) that starts in the cells meant to protect and support your nerves.
Have you ever wondered what causes such a tumor to grow? Let us understand more about that through this article. While hearing the word “tumor” can be scary, understanding glioma—what it is, why it happens, and how it is treated—can make the journey a little less overwhelming.
What Is a Glioma?
A glioma is a kind of lump that starts growing in the brain or spinal cord. It begins in special helper cells called glial cells (present in the brain). These cells normally take care of nerve cells and help them do their jobs. When a glioma grows, it forms a lump called a tumor. This lump can press on parts of the brain or spinal cord and cause problems. The problems depend on which part of the brain or spine is being pressed.
There are different kinds of gliomas. Some grow very slowly and are not dangerous. Others grow fast and can spread; these are called malignant tumors (dangerous). Knowing the exact type of glioma helps doctors decide how serious it is and which treatments will help most. So, early diagnosis of glioma is very important. Treatment can include surgery (taking the tumor out), radiation (using strong beams to kill tumor cells), chemotherapy (special medicines to stop the tumor from growing), and other methods.
What Are the Different Types of Glioma?
There are three main variations of gliomas. They are named after the type of brain helper cell (glial cell) they start in.
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Astrocytomas: These tumors start in star-shaped cells called astrocytes. Glioblastomas are a fast and aggressive kind of astrocytoma and are the most common serious brain tumor in adults. Astrocytomas can also happen in children.
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Ependymomas: These start in cells called ependymocytes. They often grow in the spaces inside the brain (ventricles) or in the spinal cord. Sometimes they spread through the brain’s protective fluid, but they do not travel to other parts of the body. Ependymomas are more common in children than in adults.
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Oligodendrogliomas: These start in cells called oligodendrocytes. They usually grow slowly but can grow faster over time. Like ependymomas, they almost never spread outside the brain or spine. They are more common in adults than in children.
What Causes Glioma, and Who Is Most at Risk?
We cannot pinpoint a main cause for glioma. Scientists think that changes in our DNA (deoxyribonucleic acid) can cause brain and spinal cord tumors like gliomas. DNA is like a tiny instruction book inside every cell of your body. It tells the cell how to grow, what to do, and when to make new cells.
Sometimes, a change called a mutation happens in the DNA. This can make the cells grow too much and too fast, which can cause a lump called a tumor, and then a glioma. These DNA changes can be passed down from parents to children, or they can just happen on their own at any time in life.
Risk Factors for Glioma:
Gliomas can happen to anyone, but the following things could make you more susceptible:
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Age: Children under the age of twelve and older adults over 65 are most likely to develop gliomas.
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Ethnicity: Compared to other races, white people may be more susceptible to gliomas.
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Family History: You may be more susceptible to gliomas if you have certain inherited genetic disorders.
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Sex: Men are slightly more likely than women to develop gliomas.
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Exposure to Radiation or Toxins: Prolonged or recurrent exposure to radiation or specific chemicals may raise your risk.
What Signs and Symptoms Should You Look Out for in Glioma?
The glioma symptoms that you may have are determined by the type of glioma (tumor) and where it is located.
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Memory loss or confusion.
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Issues in speaking.
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Seizures that may alter your feelings, behavior, or perception of reality.
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Nausea (the urge to throw up).
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Throwing up (vomiting).
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Weakness and issues with balance and walking.
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Vision issues.
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Headache.
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Irritability.
How Is Glioma Diagnosed?
Doctors use different tests to find out if someone has a glioma. First, they may do a neurological exam to check how your brain and nerves are working. This includes testing your vision, hearing, balance, strength, and reflexes. Trouble with any of these can be a clue that there is something wrong, and it may indicate a tumor.
Next, they use imaging tests like MRI (magnetic resonance imaging, the most common), CT scans (computed tomography), or PET (positron emission tomography) scans to take pictures of the brain. Sometimes, a dye is given in a vein to make the pictures clearer.
If needed, a biopsy is done to take a small piece of the tumor for testing. This can be done with a needle guided by scans or during surgery. The sample is sent to a laboratory, where doctors called pathologists check the cells to confirm if it is a glioma, find the type, see how fast it is growing, and look for DNA changes. These results help decide the best treatment plan.
What Treatment Options Are Available for Glioma?
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Surgery: The most common type is called a craniotomy, where doctors carefully open the skull to reach the tumor. In some cases, they can use a special laser to heat and destroy the tumor without a big opening. Surgeons also use special maps and scans of the brain to make sure they do not hurt the parts that control important things like speaking, moving, or seeing.
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Radiation Therapy: This treatment uses strong energy beams to destroy tumor cells. The beams are shaped to match the tumor, so healthy brain parts are less affected. In some cases, doctors put tiny radiation sources very close to the tumor (called brachytherapy) to target it more directly.
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Chemotherapy: This is medicine that kills cancer cells. It can be taken as a pill or given through a vein. A common medicine called Temozolomide is often used along with radiation to make the treatment work better.
Can Glioma Be Prevented?
Most risk factors for gliomas, like age or race, cannot be changed. However, finding and treating low-grade gliomas early may help slow or stop them from turning into more serious types. If brain tumors are common in your family, you might want to ask your doctor about genetic testing to understand your risk. You can also take care of your brain health by limiting unnecessary radiation to your head and living a healthy lifestyle with good food, regular exercise, and enough rest.
Living With Glioma
After glioma treatment, it is important to keep in touch with your doctor and go for regular brain scans to make sure the tumor has not come back. Sometimes, brain cancer treatment can affect healthy parts of the brain, making things like walking, talking, or remembering a bit harder. Working with therapists can help you get these skills back. Support groups for both you and your family can be a great way to share feelings, get advice, and find comfort.
Important Points About Glioma
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Gliomas are tumors that form in the brain or spinal cord. It starts in the glial cells that support and protect nerve cells.
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They can vary widely in how fast they grow, how severe they are, and what type they are.
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Catching a glioma early and initiating treatment promptly can significantly improve a patient’s quality of life.
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Treatment often involves a mix of glioma surgery, radiation therapy, and glioma chemotherapy to control or remove the tumor.
Conclusion
Gliomas differ in type, degree of severity, and required course of treatment. Improving outcomes and quality of life for glioma requires prompt diagnosis, supportive care, and treatment. Treatment options include radiation, chemotherapy, surgery, or a mix of these, but rehabilitation and continued monitoring are just as crucial. Many patients are able to better manage their symptoms and maintain a high quality of life with the help of medical advancements and a supportive healthcare team.
Note from iCliniq
A glioma (brain tumor) diagnosis can make you feel scared, and it is life-changing. You may need expert help at each stage of this journey. You can consult our expert neurologist doctors for guidance in this journey at every step. For help, please book an appointment at icliniq.com.
