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Difference between revisions of "Vascular malformations"
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Vascular malformations (view source)
Revision as of 08:07, 4 September 2013
, 08:07, 4 September 2013→Microscopic
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**"Large" = ~ 0.5 mm (0.25-1.0 mm). | **"Large" = ~ 0.5 mm (0.25-1.0 mm). | ||
***0.25 mm = ~ 31 RBC diameters across. | ***0.25 mm = ~ 31 RBC diameters across. | ||
Notes: | Notes: | ||
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*Arteries have a well-defined internal elastic lamina and an external elastic lamina (best seen on elastic trichrome). | *Arteries have a well-defined internal elastic lamina and an external elastic lamina (best seen on elastic trichrome). | ||
**[[Vein]]s do not have an external elastic lamina and have a poorly developed/thin internal elastic lamina. | **[[Vein]]s do not have an external elastic lamina and have a poorly developed/thin internal elastic lamina. | ||
====Images==== | |||
<gallery> | |||
Image:Arteriovenous_malformation_-_brain_-_low_mag.jpg | Cerebral AVM. (WC) | |||
</gallery> | |||
www: | |||
*[http://path.upmc.edu/cases/case123.html AVM - several images (upmc.edu)]. | |||
===Sign out=== | ===Sign out=== | ||