Extra-axial hemorrhage

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Intracranial hemorrhage Microchapters

Patient Information



Subdural hematoma
Epidural hematoma
Subarachnoid hemorrhage
Intraventricular hemorrhage
Intraparenchymal hemorrhage


Differential Diagnosis

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Synonyms and keywords: Extra-axial hematoma


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:

The other type of intracranial hemorrhages are intra-axial hemorrhages, which occur within the brain tissue itself.


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