Arachnoid cyst causes: Difference between revisions
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{{Arachnoid cyst}} | {{Arachnoid cyst}} | ||
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==Overview== | ==Overview== | ||
The exact cause of arachnoid cysts is not known. Researchers believe that most cases of arachnoid cysts are developmental malformations that arise from the unexplained splitting or tearing of the arachnoid membrane, being classified as primary. There are also arachnoid cysts that arise from secondary causes, such as trauma, surgery, intracranial hemorrhage and infection.<ref>Fatima, Mustansir, Bashir Sanaullah, and Darbar Aneela. "Management of Arachnoid Cysts: A Comprehensive Review." ''Cureus'' (2018).</ref> | The exact cause of arachnoid cysts is not known. Researchers believe that most cases of arachnoid cysts are [[developmental]] [[malformations]] that arise from the unexplained splitting or tearing of the [[arachnoid membrane]], being classified as primary. There are also arachnoid cysts that arise from secondary causes, such as [[trauma]], [[surgery]], [[intracranial hemorrhage]] and [[infection]].<ref name=":0">Fatima, Mustansir, Bashir Sanaullah, and Darbar Aneela. "Management of Arachnoid Cysts: A Comprehensive Review." ''Cureus'' (2018).</ref> | ||
==Causes== | ==Causes== | ||
Arachnoid cysts can also | * Arachnoid cysts are not [[tumors]]. They are small sacs that develop between the [[brain]] and the [[arachnoid membrane]]; | ||
* They are filled with intracranial [[cerebrospinal fluid]] and lined with [[Arachnoid membrane|arachnoid membranes]]; | |||
* Arachnoid cysts can be primary, in which the cause is unknown and develops in a [[fetus]] during [[pregnancy]]; | |||
* And it can also be secondary to [[CNS]] [[infections]], [[trauma]], [[Brain tumor|brain tumors]] and may be a complication of brain surgeries.<ref name=":0" /> | |||
* There have been cases of arachnoid cysts appearing in multiple members of a family (familial cases) which suggests that there might be a [[genetic]] component playing a role in the development of arachnoid cysts in some patients.<ref name=":1">{{Cite web|url=https://rarediseases.org/rare-diseases/arachnoid-cysts/|title=NORD - National Organization for Rare Disorders - Arachnoid Cysts|last=|first=|date=06/21/2020|website=|archive-url=|archive-date=|dead-url=|access-date=}}</ref> | |||
* They may also be related to [[Marfan's syndrome]], [[Agenesis of the corpus callosum|agenesis of the corpo callosum]] and other [[disorders]].<ref name=":1" /> | |||
==References== | ==References== | ||
Latest revision as of 01:42, 30 June 2020
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: José Eduardo Riceto Loyola Junior, M.D.[2]
Overview
The exact cause of arachnoid cysts is not known. Researchers believe that most cases of arachnoid cysts are developmental malformations that arise from the unexplained splitting or tearing of the arachnoid membrane, being classified as primary. There are also arachnoid cysts that arise from secondary causes, such as trauma, surgery, intracranial hemorrhage and infection.[1]
Causes
- Arachnoid cysts are not tumors. They are small sacs that develop between the brain and the arachnoid membrane;
- They are filled with intracranial cerebrospinal fluid and lined with arachnoid membranes;
- Arachnoid cysts can be primary, in which the cause is unknown and develops in a fetus during pregnancy;
- And it can also be secondary to CNS infections, trauma, brain tumors and may be a complication of brain surgeries.[1]
- There have been cases of arachnoid cysts appearing in multiple members of a family (familial cases) which suggests that there might be a genetic component playing a role in the development of arachnoid cysts in some patients.[2]
- They may also be related to Marfan's syndrome, agenesis of the corpo callosum and other disorders.[2]