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Difference between revisions of "Neuropathology"
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→Vascular malformations
(→Vascular malformations: more types) |
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#Caverous malformation. | #Caverous malformation. | ||
#*Vessels are back-to-back (no intervening parenchyma). | #*Vessels are back-to-back (no intervening parenchyma). | ||
Also see: ''[[Sturge-Weber syndrome]]''. | |||
==Arteriovenous malformation== | ==Arteriovenous malformation== | ||
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Features: | Features: | ||
*Large vessels with eccentric wall thickening. | *Large vessels with eccentric wall thickening. | ||
**"Large" = ~ 0.5 mm (0.25-1.0 mm). | |||
***0.25 mm = ~ 31 RBC diameters across. | |||
Notes: | Notes: | ||
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**The artery is often not seen. | **The artery is often not seen. | ||
*Arteries have internal elastic lamina (best seen on elastic trichrome). | *Arteries have internal elastic lamina (best seen on elastic trichrome). | ||
=Paediatric pathology= | =Paediatric pathology= | ||