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Difference between revisions of "Vasculitides"
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→Polyarteritis nodosa: more
m (→Microscopic) |
(→Polyarteritis nodosa: more) |
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*Inflammatory cells (neutrophils, lymphocytes) within the tunica media. | *Inflammatory cells (neutrophils, lymphocytes) within the tunica media. | ||
*Fibroid necrosis: dead vessel wall - pink anucleate stuff, nuclear debris (black specks of nuclear material). | *Fibroid necrosis: dead vessel wall - pink anucleate stuff, nuclear debris (black specks of nuclear material). | ||
**Usu. focal involvement. | **Usu. focal (wall) involvement; classically leads to berry microaneurysms - ergo the name ''polyarteritis nodosa''. | ||
Image: [http://www.immunologyclinic.com/figure.asp?chap=10&fig=14-05d PAN (immunologyclinic.com)]. | Image: | ||
*[http://www.immunologyclinic.com/figure.asp?chap=10&fig=14-05d PAN (immunologyclinic.com)]. | |||
==Wegener granulomatosis== | ==Wegener granulomatosis== | ||