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===Prevalence===
===Prevalence===
* The prevalence of meningioma was estimated to be 97.5 cases per 100,000 individuals in the United States.<ref name="pmid20821343">{{cite journal| author=Wiemels J, Wrensch M, Claus EB| title=Epidemiology and etiology of meningioma. | journal=J Neurooncol | year= 2010 | volume= 99 | issue= 3 | pages= 307-14 | pmid=20821343 | doi=10.1007/s11060-010-0386-3 | pmc=PMC2945461 | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=20821343  }} </ref>
* The prevalence of meningioma was estimated to be 97.5 cases per 100,000 individuals in the United States.<ref name="pmid20821343">{{cite journal| author=Wiemels J, Wrensch M, Claus EB| title=Epidemiology and etiology of meningioma. | journal=J Neurooncol | year= 2010 | volume= 99 | issue= 3 | pages= 307-14 | pmid=20821343 | doi=10.1007/s11060-010-0386-3 | pmc=PMC2945461 | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=20821343  }} </ref>
* Meningioma is the second most common primary brain tumor worldwide.<ref name="pmid21955199">{{cite journal| author=Chamberlain MC, Barnholtz-Sloan JS| title=Medical treatment of recurrent meningiomas. | journal=Expert Rev Neurother | year= 2011 | volume= 11 | issue= 10 | pages= 1425-32 | pmid=21955199 | doi=10.1586/ern.11.38 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21955199  }} </ref>
* Meningioma is the second most common primary [[brain tumor]] worldwide.<ref name="pmid21955199">{{cite journal| author=Chamberlain MC, Barnholtz-Sloan JS| title=Medical treatment of recurrent meningiomas. | journal=Expert Rev Neurother | year= 2011 | volume= 11 | issue= 10 | pages= 1425-32 | pmid=21955199 | doi=10.1586/ern.11.38 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21955199  }} </ref>
* Meningioma accounts for approximately 1 out of 3 primary brain and spinal cord tumors.<ref name="C">Meningioma. Canadian Cancer Society http://www.cancer.ca/en/cancer-information/cancer-type/brain-spinal/brain-and-spinal-tumours/meningioma/?region=mb September, 25th 2015</ref>
* Meningioma accounts for approximately 1 out of 3 primary [[brain]] and [[spinal cord]] [[tumor]]s.<ref name="C">Meningioma. Canadian Cancer Society http://www.cancer.ca/en/cancer-information/cancer-type/brain-spinal/brain-and-spinal-tumours/meningioma/?region=mb September, 25th 2015</ref>
* The prevalence of meningioma was estimated to be around 170,000 individuals in the United States.<ref name="pmid20821343">{{cite journal| author=Wiemels J, Wrensch M, Claus EB| title=Epidemiology and etiology of meningioma. | journal=J Neurooncol | year= 2010 | volume= 99 | issue= 3 | pages= 307-14 | pmid=20821343 | doi=10.1007/s11060-010-0386-3 | pmc=PMC2945461 | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=20821343  }} </ref>
* The prevalence of meningioma was estimated to be around 170,000 individuals in the United States.<ref name="pmid20821343">{{cite journal| author=Wiemels J, Wrensch M, Claus EB| title=Epidemiology and etiology of meningioma. | journal=J Neurooncol | year= 2010 | volume= 99 | issue= 3 | pages= 307-14 | pmid=20821343 | doi=10.1007/s11060-010-0386-3 | pmc=PMC2945461 | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=20821343  }} </ref>
* Benign meningiomas account for approximately 70% of all meningioma cases.<ref name="C">Meningioma. Canadian Cancer Society http://www.cancer.ca/en/cancer-information/cancer-type/brain-spinal/brain-and-spinal-tumours/meningioma/?region=mb September, 25th 2015</ref>
* [[Benign]] meningiomas account for approximately 70% of all meningioma cases.<ref name="C">Meningioma. Canadian Cancer Society http://www.cancer.ca/en/cancer-information/cancer-type/brain-spinal/brain-and-spinal-tumours/meningioma/?region=mb September, 25th 2015</ref>
* Atypical meningiomas account for approximately 15%–25% of all meningioma cases.<ref name="C">Meningioma. Canadian Cancer Society http://www.cancer.ca/en/cancer-information/cancer-type/brain-spinal/brain-and-spinal-tumours/meningioma/?region=mb September, 25th 2015</ref>
* Atypical meningiomas account for approximately 15%–25% of all meningioma cases.<ref name="C">Meningioma. Canadian Cancer Society http://www.cancer.ca/en/cancer-information/cancer-type/brain-spinal/brain-and-spinal-tumours/meningioma/?region=mb September, 25th 2015</ref>
* Anaplastic or malignant meningiomas account for about 1%–3% of all meningioma cases.<ref name="C">Meningioma. Canadian Cancer Society http://www.cancer.ca/en/cancer-information/cancer-type/brain-spinal/brain-and-spinal-tumours/meningioma/?region=mb September, 25th 2015</ref>
* [[Anaplastic]] or [[malignant]] meningiomas account for about 1%–3% of all meningioma cases.<ref name="C">Meningioma. Canadian Cancer Society http://www.cancer.ca/en/cancer-information/cancer-type/brain-spinal/brain-and-spinal-tumours/meningioma/?region=mb September, 25th 2015</ref>


===Age===
===Age===
* Meningiomas may appear at any age, but are most commonly noticed among patients older than 50 years of age.<ref name="wiki">Meningioma. Wikipedia(2015) https://en.wikipedia.org/wiki/Meningioma#cite_note-pmid7731706-9 Accessed on September, 25th 2015</ref>  
* Meningiomas may appear at any age, but are most commonly noticed among patients older than 50 years of age.<ref name="wiki">Meningioma. Wikipedia(2015) https://en.wikipedia.org/wiki/Meningioma#cite_note-pmid7731706-9 Accessed on September, 25th 2015</ref>  
* Meningiomas are uncommon among patients before the age of 40 and should raise suspicion of neurofibromatosis type 2 (NF2) when found among young patients.<ref name="radio">Meningeoma. Radiopaedia(2015)http://radiopaedia.org/articles/meningioma Accessed on September, 25th 2015</ref>
* Meningiomas are uncommon among patients before the age of 40 and should raise suspicion of [[neurofibromatosis]] type 2 (NF2) when found among young patients.<ref name="radio">Meningeoma. Radiopaedia(2015)http://radiopaedia.org/articles/meningioma Accessed on September, 25th 2015</ref>


===Gender===
===Gender===

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Haytham Allaham, M.D. [2]

Overview

The incidence of meningioma is approximately 12 per 100,000 individuals in the united states.[1] The prevalence of meningioma was estimated to be 97.5 cases per 100,000 individuals in the United States.[1] Meningiomas may appear at any age, but are most commonly noticed among patients older than 50 years of age.[2] Females are more commonly affected with meningiomas than males.[1] Meningioma usually affects individuals of the african american race. Caucasian and latin american individuals are less likely to develop meningioma.[1]

Epidemiology and Demographics

Incidence

  • The incidence of meningioma is approximately 12 per 100,000 individuals in the united states.[1]
  • The advent of modern sophisticated imaging studies tripled the incidence of asymptomatic meningiomas.[2]

Prevalence

  • The prevalence of meningioma was estimated to be 97.5 cases per 100,000 individuals in the United States.[1]
  • Meningioma is the second most common primary brain tumor worldwide.[3]
  • Meningioma accounts for approximately 1 out of 3 primary brain and spinal cord tumors.[4]
  • The prevalence of meningioma was estimated to be around 170,000 individuals in the United States.[1]
  • Benign meningiomas account for approximately 70% of all meningioma cases.[4]
  • Atypical meningiomas account for approximately 15%–25% of all meningioma cases.[4]
  • Anaplastic or malignant meningiomas account for about 1%–3% of all meningioma cases.[4]

Age

  • Meningiomas may appear at any age, but are most commonly noticed among patients older than 50 years of age.[2]
  • Meningiomas are uncommon among patients before the age of 40 and should raise suspicion of neurofibromatosis type 2 (NF2) when found among young patients.[5]

Gender

  • Females are more commonly affected with meningiomas than males.[1]
  • The female to male ratio is approximately 2 to 1.[1]
  • The incidence of meningioma among females is approximately 8.36 per 100,000 individuals in the united states[1].
  • The incidence of meningioma among males is approximately 3.61 per 100,000 individuals in the united states.[1]
  • The female to male ratio of meningiomas may be inverted among patients who are younger than 15 years of age.[1]

Race

  • Meningioma usually affects individuals of the african american race. Caucasian and latin american individuals are less likely to develop meningioma.[1]

References

  1. ↑ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 1.11 1.12 Wiemels J, Wrensch M, Claus EB (2010). "Epidemiology and etiology of meningioma". J Neurooncol. 99 (3): 307–14. doi:10.1007/s11060-010-0386-3. PMC 2945461. PMID 20821343.
  2. ↑ 2.0 2.1 2.2 Meningioma. Wikipedia(2015) https://en.wikipedia.org/wiki/Meningioma#cite_note-pmid7731706-9 Accessed on September, 25th 2015
  3. ↑ Chamberlain MC, Barnholtz-Sloan JS (2011). "Medical treatment of recurrent meningiomas". Expert Rev Neurother. 11 (10): 1425–32. doi:10.1586/ern.11.38. PMID 21955199.
  4. ↑ 4.0 4.1 4.2 4.3 Meningioma. Canadian Cancer Society http://www.cancer.ca/en/cancer-information/cancer-type/brain-spinal/brain-and-spinal-tumours/meningioma/?region=mb September, 25th 2015
  5. ↑ Meningeoma. Radiopaedia(2015)http://radiopaedia.org/articles/meningioma Accessed on September, 25th 2015
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