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*Early remyelinating. | *Early remyelinating. | ||
*Late remyelinating. | *Late remyelinating. | ||
==Cerebral amyloid angiopathy== | |||
===General=== | |||
*Abbreviated ''CAA''. | |||
*Disease of the old. | |||
*Strong association with ''[[lobar haemorrhage]]''.<ref name=pmid16982664>{{cite journal |author=Thanvi B, Robinson T |title=Sporadic cerebral amyloid angiopathy--an important cause of cerebral haemorrhage in older people |journal=Age Ageing |volume=35 |issue=6 |pages=565–71 |year=2006 |month=November |pmid=16982664 |doi=10.1093/ageing/afl108 |url=}}</ref> | |||
**Cerebellar cortex. | |||
**Cerebral cortex. | |||
Etiology: | |||
*Amyloid deposition in the basal lamina of smooth muscle (in the cerebellar cortex and cerebral cortex). | |||
===Microscopic=== | |||
Features: | |||
*Amorphous, acellular eosinophilic material within walls of small arteries. | |||
Special stains: | |||
*Congo red. | |||
Notes: | |||
*Amyloidosis is seen in all individuals with Alzheimer's disease; the amount of amyloid is what differs -- in CAA it is lots and lots. | |||
=Vascular malformations= | =Vascular malformations= |
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