Early symptoms of glioma

Written by Chen Yu Fei
Neurosurgery
Updated on September 07, 2024
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For patients with glioma, in the early stages of the disease, symptoms often manifest as mild headaches, dizziness, nausea, and vomiting. The symptoms are usually mild and tolerable for patients, and most patients do not pay enough attention, which can easily lead to missed and misdiagnosis. However, as the tumor volume increases, the patient's symptoms of headache, dizziness, and other discomforts gradually worsen, and may even show episodic outbreaks and a persistent worsening state. In addition to headaches and dizziness, some patients also exhibit significant motor dysfunction, exhibiting symptoms such as hemiplegia and aphasia. Patients with severe conditions may even experience widespread intracranial pressure increase, and life-threatening conditions due to the induction of brain herniation.

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Written by Chen Yu Fei
Neurosurgery
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Clinical manifestations of glioma

For patients with glioma, as it is a malignant tumor with a rapid growth rate, they may exhibit severe symptoms at the early stage of the disease, including severe headaches, dizziness, nausea, vomiting, loss of appetite, poor mental state, poor sleep quality at night, frequent insomnia and nightmares, and easy waking up. As the tumor increases in size, it often causes an increase in intracranial pressure. In severe cases, this may lead to optic disc edema, decreased vision, and visual field defects. Additionally, some patients may experience impairment in motor functions, manifesting as hemiplegia, and in some cases, aphasia. It is advised to undergo surgery in the early stages, followed by radiotherapy and chemotherapy.

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Written by Jiang Fang Shuai
Neurosurgery
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Glioma Causes

Gliomas are common intracranial primary tumors, with astrocytoma being the most prevalent, followed by oligodendroglioma, medulloblastoma, glioblastoma, ependymoma, etc. The causes of gliomas are very complex and are still unclear to this day. The prevailing view is that the development of gliomas results from the combined effects of internal carcinogenic genes and external carcinogenic factors. Changes in carcinogenic genes include gene mutation deletions, proto-oncogene activation, and so on. External factors mainly include radiation from X-rays, smoking, drinking, and some toxic and harmful foods and medications, etc.

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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 Jiang Fang Shuai
Neurosurgery
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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.

doctor image
home-news-image
Written by Chen Yu Fei
Neurosurgery
49sec home-news-image

Early symptoms of glioma

For patients with glioma, in the early stages of the disease, symptoms often manifest as mild headaches, dizziness, nausea, and vomiting. The symptoms are usually mild and tolerable for patients, and most patients do not pay enough attention, which can easily lead to missed and misdiagnosis. However, as the tumor volume increases, the patient's symptoms of headache, dizziness, and other discomforts gradually worsen, and may even show episodic outbreaks and a persistent worsening state. In addition to headaches and dizziness, some patients also exhibit significant motor dysfunction, exhibiting symptoms such as hemiplegia and aphasia. Patients with severe conditions may even experience widespread intracranial pressure increase, and life-threatening conditions due to the induction of brain herniation.