Introduction
Cat-scratch disease
Definition and etiology
Bartonella henselae, cat-scratch
Epidemiology
Pathogenesis
Clinical manifestations and prognosis
1~2? ? ????? ??, ?? ??. 2? ? ???.
2~3?? ?? ??, ??, fatigue, ??
± Fever of unknown origin (?14 days)
A. Primary inoculation lesion. Axillary and epitrochlear lymphadenitis appeared 2 weeks later. 
B. Primary inoculation lesion. Submental lymphadenitis appeared 10 days later. 
C. Axillary lymphadenopathy of 2 weeks’ duration. The overlying skin appears normal. 
D. Cervical lymphadenopathy of 6 weeks’ duration. The overlying skin is red. Thick, odorless pus (12 mL) was aspirated. 
E. Preauricular lymphadenopathy. 
F. Left-eye neuroretinitis. Note papilledema and stellate macular exudates (“macular star”).
Diagnosis
Usually clinical.
Cat-scratch ?? ???? 100% ?? (???? ?? ??? ?)
Approach to the patient
Treatment
Generally self-limiting.
Azithromycin or Doxycycline
Prevention
Trench fever and chronic bacteremia
Definition and etiology
Epidemiology
Clinical manifestations
Diagnosis
Treatment
Bartonella endocarditis
Definition and etiology
Epidemiology
Clinical manifestations
Diagnosis
Treatment
Bacillary angiomatosis and peliosis
Definition and etiology
Bartonella henselae, cat-scratch or bite
Epidemiology
Clinical manifestations
1~2? ? ????? ??, ?? ??. 2? ? ???. 2~3?? ?? ??, ??, fatigue, ??
- Visceral organ involvement
- Uncommon but can present with fever, abdominal pain, diarrhea, weight loss, and hepatosplenomegaly.
Pathology
Violaceous, highly vascular cutaneous lesions.
Positivity on Warthin-Starry stainin.g
DDx with Kaposi sarcoma – testing for HHV-8 is typically performed.
Large endothelial cells forming vascular channels with a mixed neutrophilic and lymphocytic infiltration.
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