ACMT Toxicology Visual Pearl: The Black Eschar

black eschar anthrax

Which of the following is the most likely explanation for this skin lesion in a worker handling sheep hides?

  1. Bacillus anthracis
  2. Group A streptococcus
  3. Pseudomonas aeruginosa
  4. Staphylococcus aureus

(Photo credit: CDC/ James H. Steele, Public domain via Wikimedia Commons)