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Mean relapse-free survival for atypical meningiomas was 11.5 years vs. 2.7 years for anaplastic meningiomas. [25] Malignant anaplastic meningioma is aggressive. Although anaplastic meningioma has higher chances of distant metastasis than the other two types, the overall incidence of meningioma metastasis is only 0.18%; which is considered rare ...
This leads to an inflammatory response, hence the alternative names neoplastic meningitis (NM), malignant meningitis, or carcinomatous meningitis. [ 2 ] [ 3 ] The term leptomeningeal (from the Greek lepto , meaning 'fine' or 'slight') describes the thin meninges , the arachnoid and the pia mater , between which the cerebrospinal fluid is ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 3 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 ...
Although meningitis is a notifiable disease in many countries, the exact incidence rate is unknown. [22] In 2013 meningitis resulted in 303,000 deaths – down from 464,000 deaths in 1990. [86] In 2010 it was estimated that meningitis resulted in 420,000 deaths, [87] excluding cryptococcal meningitis. [42]
However, “This systematic review of multiple studies showed that mobile phone use likely does not increase the risk of brain cancer, including gliomas, meningiomas, and acoustic neuromas,” she ...
Meningism is a set of symptoms similar to those of meningitis but not caused by meningitis. [1] [3] [4] Whereas meningitis is inflammation of the meninges (membranes that cover the central nervous system), meningism is caused by nonmeningitic irritation of the meninges, usually associated with acute febrile illness, [1] [2] especially in children and adolescents. [2]
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Meningococcal meningitis is a form of bacterial meningitis. Meningitis is a disease caused by inflammation and irritation of the meninges, the membranes surrounding the brain and spinal cord. In meningococcal meningitis this is caused by the bacteria invading the cerebrospinal fluid and circulating through the central nervous system. Sub ...