Astrocytoma epidemiology and demographics: Difference between revisions
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*The low-grade type is more often found in children or young adults, while the high-grade type are more prevalent in adults. | *The low-grade type is more often found in children or young adults, while the high-grade type are more prevalent in adults. | ||
*Astrocytomas in the base of the brain are more common in young people and account for roughly 75% of neuroepithelial tumors. | *Astrocytomas in the base of the brain are more common in young people and account for roughly 75% of neuroepithelial tumors. | ||
===Subependymal | ==Age== | ||
===Subependymal Giant Cell Astrocytoma=== | |||
* Subependymal giant cell tumours are a well known manifestation of TS, affecting 5-15% of patients with the condition. They are principally diagnosed in patients under 20 years of age, but are occasionally found in older people<ref name=Radiopaedia>{{cite web | title = Subependymal giant cell astrocytoma [Dr Bruno Di Muzio and Dr Jeremy Jones]| url = http://radiopaedia.org/articles/subependymal-giant-cell-astrocytoma }}</ref>. | * Subependymal giant cell tumours are a well known manifestation of TS, affecting 5-15% of patients with the condition. They are principally diagnosed in patients under 20 years of age, but are occasionally found in older people<ref name=Radiopaedia>{{cite web | title = Subependymal giant cell astrocytoma [Dr Bruno Di Muzio and Dr Jeremy Jones]| url = http://radiopaedia.org/articles/subependymal-giant-cell-astrocytoma }}</ref>. | ||
===Anaplastic Astrocytoma== | |||
Anaplastic astrocytomas occur in adulthood with peak incidence between 40 and 50 years of age, which is older than low grade astrocytomas and younger than glioblastoma. | |||
==References== | ==References== | ||
{{reflist|2}} | {{reflist|2}} | ||
Revision as of 18:10, 21 August 2015
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
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Overview
Epidemiology and Demographics
- People can develop astrocytomas at any age.
- The low-grade type is more often found in children or young adults, while the high-grade type are more prevalent in adults.
- Astrocytomas in the base of the brain are more common in young people and account for roughly 75% of neuroepithelial tumors.
Age
Subependymal Giant Cell Astrocytoma
- Subependymal giant cell tumours are a well known manifestation of TS, affecting 5-15% of patients with the condition. They are principally diagnosed in patients under 20 years of age, but are occasionally found in older people[1].
=Anaplastic Astrocytoma
Anaplastic astrocytomas occur in adulthood with peak incidence between 40 and 50 years of age, which is older than low grade astrocytomas and younger than glioblastoma.