Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(A) Papillary edema with perivascular neutrophil-predominant infiltrate associated with leukocytoclastic vasculitis, characterized by karyorrhexis, extravasated erythrocytes, and swelling of endothelial cells. Numerous scattered interstitial eosinophils and mast cells can be seen (hematoxylin and eosin, ×100). (B) Perivascular neutrophils, eosinophils (green arrow) and mast cells (red arrow; hematoxylin and eosin, ×300).
