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Identification: Cat scratch disease is a subacute, usually self-limited bacterial disease characterized by malaise, granulomatous lymphadenitis and variable patterns of fever. It is often preceded by a cat scratch, lick or bite that produces a red papular lesion. Involvement of a regional lymph node follows, usually within 2 weeks. Cat scratch disease can be clinically confused with other diseases that cause regional lymphadenopathies, such as tularemia, brucellosis, tuberculosis, and plague.
Diagnosis is based on a consistent clinical picture combined with serologic evidence of antibody to Bartonella.
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