Difference between revisions of "Neuropathology"
Jump to navigation
Jump to search
(→Vascular malformations: more types) |
|||
| Line 342: | Line 342: | ||
#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== | ||
| Line 355: | Line 357: | ||
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: | ||
| Line 360: | Line 364: | ||
**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= | ||