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This is an accepted version of this page This is the latest accepted revision, reviewed on 15 January 2025. Neoplasm in the brain Medical condition Brain tumor Other names Intracranial neoplasm, brain tumour, brain cancer Brain metastasis in the right cerebral hemisphere from lung cancer, shown on magnetic resonance imaging Specialty Neurosurgery, neuro-oncology Symptoms Vary depending on the ...
Accurate histologic diagnosis is critical for treatment planning and patient counseling. Surgically obtained tissue usually is required to make a histologic diagnosis. For certain tumors, a definitive diagnosis can be accomplished by vitreous aspirate, cerebrospinal fluid (CSF) cytology, or suggested by the presence of certain tumor markers in ...
Treatment typically consists of radiotherapy and steroids for palliation of symptoms. [citation needed] (Proton Beam Therapy should be included here by someone with good knowledge of it; it is more accurate, and very importantly for pediatric cases, has reduced side effects.) Radiotherapy may result in minimally extended survival time.
It is the most common cancer that begins within the brain and the second-most common brain tumor, after meningioma, which is benign in most cases. [6] [15] About 3 in 100,000 people develop the disease per year. [3] The average age at diagnosis is 64, and the disease occurs more commonly in males than females. [2] [3]
A central nervous system tumor (CNS tumor) is an abnormal growth of cells from the tissues of the brain or spinal cord. [1] CNS tumor is a generic term encompassing over 120 distinct tumor types. [ 2 ]
Available treatment for DHG will vary depending on the location in the brain that the tumor arises, but typically the first stage of treatment is surgical resection, with the aim of removing as much of the tumor as possible (i.e. gross- or near-total resection). Concomitantly, patients will undergo radiotherapy or proton therapy.
John McCain suffers from a highly malignant form of cancer that spreads quickly due to its association with a large network of blood vessels in the brain.
Increasingly it is recommended that a genetic analysis be performed on the brain tumor, especially to find if a deletion in the INI1/hSNF5 gene is involved (appears to account for over 80% of the cases). The correct diagnosis of the tumor is critical to any protocol. Studies have shown that 8% to over 50% of AT/RT tumors are diagnosed incorrectly.
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