Blood Vessel - Polyarteritis Nodosa - Gallery

Image of polyarteritis nodosa in the prostate from a male B6C3F1/N mouse in a chronic study
Prostate - Polyarteritis nodosa in a male B6C3F1/N mouse from a subchronic study. Abundant inflammatory cells surround a prostatic artery (arrows).
Image of polyarteritis nodosa in the pancreas from a male B6C3F1/N mouse in a chronic study
Pancreas - Polyarteritis nodosa in a male Wistar Han rat from a chronic study. Inflammation of a muscular artery is present in the pancreas (arrows).
Image of polyarteritis nodosa in the stomach, glandular stomach from a male B6C3F1/N mouse in a chronic study
Stomach, Glandular stomach - Polyarteritis nodosa in a male B6C3F1/N mouse from a chronic study. A thick band of inflammatory cells surrounds a small artery (arrows).
Image of polyarteritis nodosa in the stomach, glandular stomach from a male B6C3F1/N mouse in a chronic study
Stomach, Glandular stomach - Polyarteritis nodosa in a male B6C3F1/N mouse from a chronic study (higher magnification of Figure 3). A hypereosinophilic band of necrotic tissue is present in the vessel wall (arrow).
Image of polyarteritis nodosa in the mesentery from a female F344/N rat in a chronic study
Mesentery - Polyarteritis nodosa in a female F344/N rat from a chronic study. Multiple areas of fibrosis (arrows) are present along the length of a medium-sized muscular artery in the mesentery.
Image of polyarteritis nodosa in the mesentery from a female F344/N rat in a chronic study
Mesentery - Polyarteritis nodosa in a female F344/N rat from a chronic study (higher magnification of Figure 5). The adventitia of a mesenteric artery (arrow) is thickened by proliferation of fibroblasts and collagen.
Image of polyarteritis nodosa in the mesentery from a female F344/N rat in a chronic study
Mesentery - Polyarteritis nodosa in a female F344/N rat from a chronic study (higher magnification of Figure 5). There is fibrosis of the adventitia of a mesenteric artery.
Image of polyarteritis nodosa in the pancreas from a female Wistar Han rat in a chronic study
Pancreas - Polyarteritis nodosa in a female Wistar Han rat from a chronic study. A medium-sized muscular artery has an eosinophilic, hyalinized appearance indicative of necrosis.
Image of polyarteritis nodosa in the pancreas from a female Wistar Han rat in a chronic study
Pancreas - Polyarteritis nodosa in a female Wistar Han rat from a chronic study. Necrosis and fibrin are present in the tunica media (arrows) of a pancreatic artery surrounded by inflammatory cells.