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Kansenshogaku Zasshi
Vol. 75 (2001) No. 6 P 499-503



A previously healthy 25-year-old female was admitted to our hospital in November, 1997, for treatment of a spike-fever of 2 weeks' duration. She had a cat in her house but reported no history of cat bites or scratches. No peripheral lymphadenopathy was detected. White blood cell count was within normal limits, but an increased C-reactive protein level of 11.4mg/dl was noted. Infectious disease was suspected but ruled out as blood cultures were negative. Empiric therapy with clarithromycin, isoniazid, and rifampicin was ineffective. In January, 1998, abdominal ultrasonogram revealed multiple hypoechoic mass lesions in the spleen and liver, and a splenectomy was performed in March. Histopathlogic examination showed numerous necrotizing and caseating granulomas, which tested positive for Bartonella henselae DNA by PCR. Furthermore, the patient tested positive for B. henselae antibody by immunofluorescence assay. A diagnosis of systemic cat-scratch disease with hepatospnenic involvement was made. Combination therapy with minocycline, sulbactam/cefoperazone, and tosufloxacin was administered and her inflammatory findings improved gradually. We report an adult case of systemic cat-scratch disease with liver and spleen involvement in the nonimmunocompromised host.

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