Difference between revisions of "Cerebrovascular accident"
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*Very common. | *Very common. | ||
*Leading cause of morbidity and mortality. | *Leading cause of morbidity and mortality. | ||
*Etiology varies. | |||
**Often [[atherosclerosis]] of the cerebral vessels or internal carotid artery. | |||
Clinical classification: | Clinical classification: | ||
Revision as of 06:15, 15 November 2014
Cerebrovascular accident, abbreviated CVA, is a common neurologic pathology. It is also known as a stroke.
General
- Very common.
- Leading cause of morbidity and mortality.
- Etiology varies.
- Often atherosclerosis of the cerebral vessels or internal carotid artery.
Clinical classification:
- Hemorrhagic stroke.
- Ischemic stroke.
Gross
- Soft/mushy brain.
- Older infarcts.
- A "roof" is present - a thin submeningeal layer is preserved by the CSF.[1]
- "Roof" is absent in trauma.
- Cavity - in older infarcts.
- Multiple sclerosis does not cavitate.
- A "roof" is present - a thin submeningeal layer is preserved by the CSF.[1]
- Laminar necrosis = (thin) chalky line replaces grey mater.[2]
DDx:
Microscopic
Features:
- Ischemic neurons.
- +/-Neuronal loss.
- +/-Microglial.
- +/-Thrombosis.
- +/-Atherosclerosis.
See also
References
- ↑ MUN. 16 December 2009.
- ↑ URL: http://moon.ouhsc.edu/kfung/jty1/neurotest/Q03-Ans.htm. Accessed on: 26 October 2010.
- ↑ MUN. 26 November 2010.