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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Can gliomas be inherited?

Gliomas have a certain hereditary proportion, but this is not an absolute concept. In clinical practice, there is no clear explanation for the pathogenic factors of gliomas, and theories are generally speculative. For instance, one factor is genetic nature, and there is also some familial clustering which supports the idea of a genetic predisposition. However, it is usually easier to identify purely genetic diseases, but gliomas often involve the inheritance of multiple genes, making it difficult to pinpoint the fundamental factors directly. Additionally, other factors include exposure to radiation and engaging in harmful work, such as producing methanol or solvents, etc. These can also cause genetic mutations leading to gliomas, so the issue is not necessarily solely genetic.

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Written by Guo Zhi Fei
Neurosurgery
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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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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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Written by Gao Yi Shen
Neurosurgery
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Is a glioma benign or malignant?

Glioblastoma is the most common form of malignant tumor inside the skull, and the vast majority of glioblastomas are highly malignant. Once changes in this condition are detected, generally, the patient doesn't have much time left. If it is a relatively better glioblastoma, which means it is highly differentiated, the survival time is about 1-2 years. For some poorer glioblastomas, or those with low differentiation, their survival period is often only about six months, and they continuously spread along with nerve fibers to the surrounding areas. They might even metastasize to distant places through cerebrospinal fluid, blood, lymph, and other means. Therefore, even if surgery is used to remove a single lesion, other parts of the body may still demonstrate metastatic lesions. Hence, the treatment approach for this is comprehensive.

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Written by Chen Yu Fei
Neurosurgery
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Is glioma malignant?

Glioblastoma is a type of malignant tumor, which generally grows at a fast pace. In the early stages of the disease, the glioma often adheres to the surrounding tissues, posing significant challenges for future complete surgical removal. At the same time, extensive cerebral edema occurs around the glioma. If prolonged, this can lead to a serious increase in intracranial pressure, manifesting as repeated headaches, dizziness, nausea, and vomiting in the patient. Over time, this condition may also lead to optic nerve atrophy, resulting in decreased vision and visual field defects. Diagnosis generally benefits from cranial CT or MRI scans, but definitive diagnosis still requires surgical removal of the tumor. A small amount of tumor tissue is typically retained for pathological biopsy.