Cat scratch disease is caused by infection with the gram-negative coccobacillus Bartonella henselae*. Infection is acquired via scratches or bites from domestic or feral cats, which can most commonly cause local lymphadenitis in the lymphatic drainage pattern of the scratch location. Because people get scratched on their arms, the most common locations are the axillary nodes. Histological examination shows NECROTIZING GRANULOMAS WITH STELLATE MICROABCESSES.
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Cat scratch disease is caused by infection with the gram-negative coccobacillus Bartonella henselae*. Infection is acquired via scratches or bites from domestic or feral cats, which can most commonly cause local lymphadenitis in the lymphatic drainage pattern of the scratch location. Because people get scratched on their arms, the most common locations are the axillary nodes. Histological examination shows NECROTIZING GRANULOMAS WITH STELLATE MICROABCESSES.