Image of the Week: How would you manage this sheep rancher's lesion?

A 22-year-old male presents with a 1-week history of a lesion on his index finger after working at his uncle's sheep ranch 2 weeks earlier. When he first noticed the lesion, it was a small, firm papule and was accompanied by a low-grade fever. Examination now reveals a targetoid lesion on his right index finger and mild axillary lymphadenopathy. Based ...