1. Complications Associated With Use of Levamisole-Contaminated Cocaine: An Emerging Public Health Challenge 
Kachiu C. Lee, MD, MPH, Barry Ladizinski, MD, Daniel G. Federman, MD 
Mayo Clinic Proceedings 
Volume 87, Issue 6, Pages (June 2012)
DOI: /j.mayocp
Copyright © 2012 Mayo Foundation for Medical Education and Research Terms and Conditions

2. FIGURE 1
Left helix with hemorrhagic bullae. Suture on upper ear lobe is biopsy site.
Mayo Clinic Proceedings  , DOI: ( /j.mayocp )
Copyright © 2012 Mayo Foundation for Medical Education and Research Terms and Conditions

3. FIGURE 2
Nasal tip with necrotic, hemorrhagic crust due to reexposure to levamisole-laced cocaine.
Mayo Clinic Proceedings  , DOI: ( /j.mayocp )
Copyright © 2012 Mayo Foundation for Medical Education and Research Terms and Conditions

4. FIGURE 3
Algorithm for diagnosis and evaluation of levamisole-induced vasculitis. ANCA = antineutrophil cytoplasmic antibody; +cANCA = ANCA with positive cytoplasmic staining pattern; +pANCA = ANCA with positive perinuclear staining pattern.
Mayo Clinic Proceedings  , DOI: ( /j.mayocp )
Copyright © 2012 Mayo Foundation for Medical Education and Research Terms and Conditions