Treatment of brain glioma

Written by Chen Yu Fei
Neurosurgery
Updated on September 16, 2024
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For patients with brain gliomas, it is recommended that they visit a local hospital as soon as possible in the early stages of the disease. A physician with extensive surgical experience should help assess the current situation through cranial CT, cranial MRI, and enhanced cranial MRI scans, to determine the location, scope, and range of edema of the glioma, as well as its proximity to surrounding blood vessels and nerves, and to establish a personalized surgical treatment plan. Through surgery, the glioma in the brain should be removed as completely as possible. After surgical treatment, most patients can achieve satisfactory outcomes. However, since gliomas are malignant tumors, it is necessary to follow up surgery with early radiation and chemotherapy treatments.

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Written by Gao Yi Shen
Neurosurgery
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Glioma causes

In clinical practice, the etiology of gliomas is not very clear. It is not as straightforward as how smoking can easily lead to lung cancer or how cirrhosis can easily lead to liver cancer; many factors are speculative. For example, the most common theory in clinical practice involves genetics. Any form of genetic mutation or chromosomal mutation can induce the development of a glioma. For instance, excessive radiation exposure and drug abuse, and even maternal-fetal transmission or a genetic predisposition, could cause chromosomal abnormalities in patients, potentially leading to the formation of gliomas. However, the most fundamental cause has not yet been clearly identified.

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Written by Chen Yu Fei
Neurosurgery
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Glioma Symptoms

For patients with glioma, they often exhibit certain degrees of headache and dizziness, with headaches typically located bilaterally in the frontal or temporal regions. The nature of the pain is relatively sharp, manifesting as intermittent attacks that progressively worsen over time. Long-standing gliomas easily induce a notable increase in intracranial pressure, presenting with severe headaches, nausea, vomiting, and even a decrease in vision or visual field defects. When the glioma is located in the parietal lobe and affects important motor function areas, it can lead to unilateral or bilateral limb weakness, numbness, pain, and possibly even trigger hemiplegia.

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Is glioma cancer?

Gliomas are the most common type of malignant tumor within the skull, and they are also a form of cancer. Cancer is a very broad term essentially describing a process where some cells proliferate abnormally and differentiate without dying, and gliomas proliferate in the same way. To give an analogy, think of a bunch of villains: if there are heroes to suppress and resolve these villains, then generally, people would not develop tumors. However, if this group of villains gradually becomes stronger and defeats the heroes, then these villains gather within the body, forming a tumor. The same principle applies to the formation of cancer. Therefore, for such cases, it is crucial to detect cancer early and begin the appropriate treatment. Early treatment can have some very beneficial effects on the prognosis for the patient.

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Written by Gao Yi Shen
Neurosurgery
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Glioma Symptoms

The symptoms of glioma are numerous, and it is essential to make judgments based on the situation. The most common clinical manifestations are headaches, dizziness, nausea, and vomiting. These symptoms may persist for a relatively long period and are relatively mild, not immediately noticeable at the time. Additionally, some patients may experience a decline in cognitive function, colloquially described as becoming less intelligent. This is especially common in gliomas of the frontal lobe. If the glioma is located in the occipital lobe, it often causes visual disturbances, such as blurred vision and visual field defects. In cases of temporal lobe gliomas, frequent seizures and impaired limb mobility may occur. For cerebellar gliomas, symptoms can include a decline in cognitive function and ataxia, among others.

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Late-stage symptoms of glioma

The continuous growth of gliomas or the occurrence of tumor stroke hemorrhages can lead to very high intracranial pressure in patients in the late stages. This results in severe headaches with persistent attacks, accompanied by nausea and vomiting. Projectile vomiting is a typical manifestation of increased intracranial pressure. Patients may experience changes in consciousness, such as drowsiness, stupor, and coma. As the condition progresses to brain herniation, patients can fall into a deep coma, with either bilateral or unilateral pupil dilation and loss of light reflex. Vital signs become unstable, ultimately leading to death due to heart and respiratory arrest caused by the brain herniation.