Polyarteritis Nodosa and Other Vasculitides



Polyarteritis Nodosa and Other Vasculitides


Laura Webb Lamps, MD









This liver involved by polyarteritis nodosa features a medium-sized artery with fibrinoid necrosis, early fibrosis, and luminal narrowing. Note bile duct image.






Fibrinoid necrosis image is seen within the wall of a medium-sized artery in the liver. This lesion is the hallmark of polyarteritis nodosa.


TERMINOLOGY


Abbreviations



  • Polyarteritis nodosa (PAN)


Definitions



  • Involvement of liver &/or gallbladder by vasculitis (inflammation of blood vessels)

Jul 7, 2016 | Posted by in PATHOLOGY & LABORATORY MEDICINE | Comments Off on Polyarteritis Nodosa and Other Vasculitides
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