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.
Skin biopsy from a patient with exposure to levamisole-adulterated cocaine. A) Leukocytoclastic vasculitis involves both superficial and deep dermal vessels (hematoxylin and eosin stain, 40X). B) Numerous neutrophils and eosinophils surround and involve the vascular walls associated with leukocytoclastic debris and fibrinoid necrosis (hematoxylin and eosin stain, 400X).
