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Home / Health / Glioblastoma Symptoms, Cause and Treatment: More About the Tumor That Infected John McCain Arizona Senator John McCain died on Saturday after deciding to discontinue treatment for glioblastoma, an aggressive brain tumor that he has been fighting for more than a year.

Glioblastoma Symptoms, Cause and Treatment: More About the Tumor That Infected John McCain Arizona Senator John McCain died on Saturday after deciding to discontinue treatment for glioblastoma, an aggressive brain tumor that he has been fighting for more than a year.



The cancerous tumors, also called glioblastoma multiforme, arise from brain glial cells and are known to grow rapidly, according to the American Brain Tumor Association. Despite their rapid growth, glioblastomas generally do not spread to other parts of the body.

Glioblastomas often (though not always) develop on the two brain halves of the brain, and the symptoms that they cause vary depending on where the tumors are in the brain

"Common symptoms include headache, Nausea, vomiting, and seizures Tumors often cause subtle personality changes and memory loss or, depending on localization, muscle weakness and speech and language disorders. John de Groot explained to the University of Texas MD Anderson Cancer Center

After a patient has been diagnosed, doctors are working to remove as much of the tumor as possible. Due to the way it grows, a glioblastoma is impossible to completely remove, noted the American Association of Neurological Surgeons. Surgeons must also be careful to remove as much of the tumor as possible without harming the surrounding brain tissue. Often follow radiotherapy and chemotherapy, and many experimental treatments are currently being clinically tested.

The prognosis of a glioblastoma patient may vary. Median life expectancy ranges from 1

4 months to several years, depending on the circumstances, and according to ABTA, 10 percent of patients live after five years.

Despite the generally poor prognosis, in rare cases patients can survive even longer. A man treated for glioblastoma in 1994 was described in a study from 2017 published in the case reports of the International Journal of Surgery as "in perfect health" with "no recurrence of the tumor".

extremely rare cases of long-term survival and even zero relapse of the glioblastoma should serve as an incentive to continue the research effort and not abandon the fight against this tumor from day to day, "concluded the study [19659006]
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