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Oligodendroglioma arise mainly in the frontal lobe and in 50–80% of cases, the first symptom is the onset of seizure activity, without having any symptoms beforehand. [2] Headaches combined with increased intracranial pressure are also a common symptom of oligodendroglioma.
Anaplastic oligodendroglioma is a neuroepithelial tumor which is believed to originate from oligodendrocytes, a cell type of the glia. In the World Health Organization (WHO) classification of brain tumors, anaplastic oligodendrogliomas are classified as grade III. [ 2 ]
Radiotherapy is an important treatment for central nervous system tumors and has been demonstrated to extend survival and improve the quality of life for patients with many of the primary and metastatic brain tumors. [7] Chemotherapy Chemotherapy, or the use of drugs in the treatment of cancer, can lead to the long-term control of many ...
Surgery is considered the final choice of treatment, due to the high risk of blindness and damage to the affected eye. [ 4 ] [ 5 ] [ 6 ] It is considered in only certain scenarios, such as relieving a cosmetically unappealing bulging eye ( exophthalmos ), removing an enlarging and/or expanding tumor or a combination of both.
Oligoastrocytomas are a subset of brain tumors that present with an appearance of mixed glial cell origin, astrocytoma and oligodendroglioma. [1] However, the term "Oligoastrocytoma" is now considered obsolete by the National Comprehensive Cancer Network [2] stating "the term should no longer be used as such morphologically ambiguous tumors can be reliably resolved into astrocytomas and ...
The best-known risk factor is exposure to ionizing radiation, and CT scan radiation is an important cause. [10] [11] The dose-response for the relationship between low-dose ionising radiation and glioma risk is a risk increase of 55% per 100 milligray of radiation. [10]
The most common treatments are medications and surgery to repair the damaged blood vessels in your brain. Valvular heart disease Heart valve problems may be treated with medications or surgery.
Dysembryoplastic neuroepithelial tumour (DNT, DNET) is a type of brain tumor.Most commonly found in the temporal lobe, DNTs have been classified as benign tumours. [1] These are glioneuronal tumours comprising both glial and neuron cells and often have ties to focal cortical dysplasia.
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