Thirty-seven distinct species, at least 14 known to cause disease in humans
Bartonella henselae and Bartonella quintana are most common in North America.
Infections manifest in two bro...
CSD (B. henselae)
Typical CSD (up to 90% of cases)
Several days after inoculation, 2- to 3-mm nontender papules at the trauma site progress to reddened vesicles with or without crust.
Te...
Antipyretics and analgesics for symptom management
Antibiotic choice de...
Extended periods of antibiotics are recommended (at least 3 months).
Check IgG antibo...
A44.9 Bartonellosis, unspecified
A28.1 Cat-scratch disease
A79.0 Trench fever
A44.1 Cutaneous and mucocutaneous bartonellosis
A44.8 Other forms of bartonellosis
A44.0 Systemic bartonellosis
Diagnosing Bartonella infections require a high degree of clinical suspicion.
CSD is self-limited in most immunocompetent patients.
Immunocompromised patients are at increased risk for c...
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<bold>FIGURE 26-1</bold> <bold>Acquisition and courses of infection with <i>Bartonella henselae</i>.</bold>
<bold>FIGURE 26-1</bold> <bold>Acquisition and courses of infection with <i>Bartonella henselae</i>.</bo...
FIGURE 53.14. Early histologic lymph node changes in cat scratch disease caused by Bartonella henselae. Note the vague rim of granulomatous inflammation surrounding a region of karyorrhexis and necrosis. Bacilli are most likely to be detected by staining techniques in early lesions such as this. H&E, original magnification, 4003.
FIGURE 53.14. Early histologic lymph node changes in cat scratch disease caused by Bartonella henselae. Note the vague rim of granulomatou...
FIGURE 53.15. Bartonella henselae in cat scratch disease demonstrated by silver impregnation. This region corresponds to the region of necrosis and karyorrhexis shown in Fig. 11. The organisms were proven B. henselae by PCR. Wharthin-Starry stain, original magnification 1,0003.
FIGURE 53.15. Bartonella henselae in cat scratch disease demonstrated by silver impregnation. This region corresponds to the region of nec...
FIG. 11.67. Catscratch disease. A: This boy developed an enlarged, epitrochlear lymph node on the medial aspect of his upper extremity and axillary involvement. B: Neither node is tender or erythematous.
FIG. 11.67. Catscratch disease. A: This boy developed an enlarged, epitrochlear lymph node on the medial aspect of his upper extremity and...
<bold>Figure 27-10</bold> Cat scratch inoculation site on the extremity of a 9-year-old.