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Cat scratch disease

QuestionAnswer
What are the two main pathogens related to cat scratch disease? Bartonella henselae Afipia felis
How do you differentiate these two organisms? B. henselae is curved GNR that grows at 35-37 C, oxidase and urea - A. felis is GNR that grows at 25 and 30 C, oxidase and urea +
What are the criteria of B. henselae clinical diagnosis? -Cat contact with the presence of scratch -Positive skin test -Negative results for other causes of lymphadenopathy -Characteristic histopathology of the lymph node *3 out of 4 is needed for diagnosis
Which lymph nodes are mostly involved in this disease? Lymph nodes in head, neck or upper extremitis
Describe the motility and BAP colony formation of B. henselae. Twitching motility. Small, deeply folded cauliflower-like colonies
Created by: 1213736552120040