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What is brain cancer?

Brain tumors are a diverse group of neoplasms arising from different cells within the central nervous system or from systemic tumors that have metastasized (spread) to the central nervous system. Brain tumors include a number of histologic types with markedly different tumor growth rates.

Headache is a common manifestation of brain tumors and is the worst symptom in about one-half of patients. Tumor-related headaches tend to be worse at night and may awaken the patient. 

Seizures are among the most common symptoms of gliomas brain cancers and cerebral metastases. Some patients who are seizure-free at diagnosis subsequently develop seizures, but routine prophylactic treatment with antiseizure medications is not recommended.

Cognitive dysfunction, which includes memory problems and mood or personality change, is common among patients with intracranial cancers.

Here, Dr. Tony Talebi discusses the general concepts of what is a brain tumor, focusing on the most common types gliomas with Dr. Ron Benveniste, assistant professor of neurosurgery at the University of Miami.  The discussion includes signs, symptoms, diagnosis, staging, biopsy, use of steroids and antiseizure medicines, surgical resection, radiation therapy and chemotherapy for brain cancers,Brain cancer prognosis, what causes brain cancer, signs of brain cancer, brain cancer symptoms, brain cancer, brain cancer stage 4, treatment of brain cancer, brain cancer association, stage four brain cancer, small cell brain cancer,symtoms of brain cancer, causes of brain cancer, brain cancer chemotherapy, what is brain cancer, brain cancers, brain cancer information, brain cancer prevention, stage 4 brain cancer, information about brain cancer, stage iv brain cancer, brain cancer signs, brain cancer symptom, is brain cancer curable, stage 3b brain cancer, lungs cancer symptoms, survival rates for brain cancer, symptoms of brain cancer, brain cancer survivors, brain cancer symptons, brain cancer survival, treatments of brain cancer, symptons of brain cancer, brain cancer statistics, non small cell brain cancer,chemo for brain cancer, brain cancer survival rate, large cell brain cancer, effects of brain cancer, brain cancer screening, brain cancer diagnosis, brain cancer society, brain cancer clinical trials, brain cancer metastasis, survival rate brain cancer, symptom of brain cancer, info on brain cancer, new treatments for brain cancer, how common is brain cancer .   Special focus is placed on grade 4 gliomas, the glioblastoma multiforme (GBM).

Dr. Ron Benveniste credentials:


  • Neurological Surgery


  • Assistant Professor of Clinical Neurological Surgery
  • Chief of Neurosurgery, UMHC/SCCC

Clinical Interests

His current areas of specialization include surgery and radiosurgery for brain and pituitary tumors.  

Research Interests

His laboratory studies the molecular mechanisms of cancer brain metastasis.


Resident Research Prize


2007 Neurosurgical Oncology Fellowship
University of Texas M.D. Anderson Cancer Center
2006 Neurosurgery Residency
Mount Sinai School of Medicine
2000 M.D. / Ph.D.
Washington University
1991 B.S.
University of Miami