Extra-axial hemorrhage: Difference between revisions
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{{Intracranial hemorrhage}} | {{Intracranial hemorrhage}} | ||
{{CMG}} | {{CMG}} | ||
{{SK}} Extra-axial hematoma | |||
==Overview== | ==Overview== | ||
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The category of extra-axial hematomas includes: | The category of extra-axial hematomas includes: | ||
* [[epidural hematoma|Epidural]], which occur between the [[dura mater]] (the outermost [[meninx]]) and the skull | * [[epidural hematoma|Epidural]], which occur between the [[dura mater]] (the outermost [[meninx]]) and the skull | ||
* [[subdural hematoma|Subdural]], which occur in the [[subdural space]] between the dura and the [[arachnoid mater]] | * [[subdural hematoma|Subdural]], which occur in the [[subdural space]] between the dura and the [[arachnoid mater]] | ||
* [[subarachnoid hematoma|Subarachnoid]], which occur between the arachnoid and [[pia mater|pia]] meningeal layers | * [[subarachnoid hematoma|Subarachnoid]], which occur between the arachnoid and [[pia mater|pia]] meningeal layers | ||
Latest revision as of 16:23, 13 March 2013
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Intracranial hemorrhage Microchapters |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Synonyms and keywords: Extra-axial hematoma
Overview
Extra-axial hematoma, or extra-axial hemorrhage, is a subtype of intracranial hemorrhage, or bleeding within the intracranial space, that occurs within the skull but outside of the brain tissue itself. All intracranial hemorrhages constitute serious medical emergencies because they can increase intracranial pressure and crush delicate brain tissue, with potentially fatal results.
The category of extra-axial hematomas includes:
- Epidural, which occur between the dura mater (the outermost meninx) and the skull
- Subdural, which occur in the subdural space between the dura and the arachnoid mater
- Subarachnoid, which occur between the arachnoid and pia meningeal layers
The other type of intracranial hemorrhages are intra-axial hemorrhages, which occur within the brain tissue itself.