Principles of Treatment for Glioma

Written by Chen Yu Fei
Neurosurgery
Updated on September 21, 2024
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For patients with glioma, the primary treatment method is still to surgically remove the tumor, followed by postoperative radiotherapy, chemotherapy, and other related treatments. The main treatment principle is to detect, diagnose, and treat early. During surgery, the tumor should be removed as completely as possible, and it is advisable to receive postoperative radiotherapy and chemotherapy early to effectively consolidate the surgical treatment effects. This helps to kill tumor cells to the greatest extent, slow down the probability and timing of tumor recurrence, and extend the patient's lifespan as much as possible. Therefore, for patients with glioma, it is recommended to choose to seek surgical treatment at well-known, top-tier hospitals locally.

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Written by Gao Yi Shen
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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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How is glioma graded?

According to the characteristics of pathology, gliomas are divided into grades one to four. Grade one is a low-grade malignancy, more benign tumor, accounting for about 5%, with a relatively high probability of successful surgical outcomes. Grade two accounts for about 35%, and after comprehensive treatment including surgery, the survival rate can reach five to ten years, or even longer. Grade three usually develops from grade two, with relatively poor prognosis, and the average survival period is about two years. Grade four, the most malignant glioma, also known as glioblastoma, accounts for about 30%-40%, with an average survival period of less than one year, and very poor outcomes.

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Written by Guo Zhi Fei
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Glioma is a type of disease

Glioma is a very common malignant tumor in the brain, with malignancy levels divided into grades I, II, III, and IV. Grade I has the lowest malignancy, close to benign, and patients have a good prognosis after complete surgical removal. Grade IV gliomas have the highest malignancy and are also known as glioblastomas. These tumors do not have clear boundaries, making complete surgical removal impossible, and they are highly prone to recur after surgery, leading to poor prognosis. Even with the most advanced treatments, such as surgery combined with radiotherapy, chemotherapy, and gene therapy, the average survival time is only 12-14 months, and without treatment, the average survival time is only four months.

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Written by Chen Yu Fei
Neurosurgery
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The etiology of glioma

At present, there is no definitive conclusion regarding the specific causes of glioma. Clinically, it is generally considered the result of a combination of congenital genetic factors and acquired environmental factors. Usually, it is believed that there is a significant familial aggregation tendency in the family medical history of patients with gliomas, with a higher incidence of gliomas among family members. Additionally, acquired factors, such as severe cranial trauma followed by extensive proliferation of neuroglial cells, may induce incidents. Furthermore, severe intracranial infections, including unhealthy lifestyles, poor living environments, and the influence of radioactive materials, could potentially lead to the occurrence of gliomas.

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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.