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Cat-scratch disease is a self-limiting necrotizing granulomatous lymphadenitis caused by a cat scratch, lick, or bite. The causative agent is Bartonella henselae. It usually presents with an erythematous skin lesion at the site of contact within 3 to 10 days.
Image credit: CDC/Dr. Sellers, Grady Hospital.
Image credit: CDC/Dr. Sellers, Grady Hospital.