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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.
The causes of frontal lobe disorders can be closed head injury. An example of this can be from an accident, which can cause damage to the orbitofrontal cortex area of the brain. [2] Cerebrovascular disease may cause a stroke in the frontal lobe. Tumours such as meningiomas may present with a frontal lobe syndrome. [11]
People may experience symptoms regardless of whether the tumor is benign (not cancerous) or cancerous. [13] Primary and secondary brain tumors present with similar symptoms, depending on the location, size, and rate of growth of the tumor. [14] For example, larger tumors in the frontal lobe can cause changes in the ability to think.
These tumors are formed through the mitosis of astrocytes. They are found in the area of the temples, in the brain's frontal lobe or on top of the parietal lobe. In about 20% of cases, tumors exist in more than one lobe.
Foster Kennedy syndrome is a constellation of findings associated with tumors of the frontal lobe. [1]Although Foster Kennedy syndrome is sometimes called "Kennedy syndrome", [2] it should not be confused with Kennedy disease, or spinal and bulbar muscular atrophy, which is named after William R. Kennedy.
A glioma is a type of primary tumor that starts in the glial cells of the brain or spinal cord.They are cancerous but some are extremely slow to develop. [2] [3] Gliomas comprise about 30 percent of all brain tumors and central nervous system tumours, and 80 percent of all malignant brain tumours.
Frontal arachnoid cysts have been associated with depression. [12] Cysts on the left temporal lobe have been associated with psychosis. [13] [14] A left fronto-temporal cyst showed symptoms of alexithymia. [15] Cyst on the right sylvian fissure resulted in new onset of schizophrenia-like symptoms at age 61. [16]
Metastasis is the most common cause of brain cancer, as primary tumors that originate in the brain are less common. [4] The most common sites of primary cancer which metastasize to the brain are lung, breast, colon, kidney, and skin cancer. Brain metastases can occur months or even years after the original or primary cancer is treated.