A 42 year old hunter presents with fever, painful axillary lymphadenopathy, and an ulcerated lesion on his right hand. He says he skinned several wild rabbits 5 days ago. Gram stain is poorly visualized, and the laboratory requests special cysteine enriched media. Which of the following is the most likely causal organism?
- A)Pasteurella multocida
- B)Francisella tularensisGABARITO
- C)Brucella melitensis
- D)Bartonella henselae
- E)Rickettsia prowazekii
Explicação
Francisella tularensis is correct. Rabbit exposure with an ulcer at the inoculation site and tender regional lymph nodes describes ulceroglandular tularemia. Francisella is a small intracellular gram negative coccobacillus that requires cysteine enriched media... Ver explicação completa e trilha adaptativa →