Extra-axial hemorrhage
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| Extra-axial hemorrhage Classification and external resources | |
| ICD-10 | I60.-I62. |
|---|---|
| ICD-9 | 430, 432 |
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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.
Reference
- Wagner A.L. 2004. "Subdural Hematoma." Emedicine.com.
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Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
