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Scand J Infect Dis. 1996;28(4):361-6.

Evaluation of serological response to Bartonella henselae, Bartonella quintana and Afipia felis antigens in 64 patients with suspected cat-scratch disease.

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1
Service de Maladies Infectieuses et Médecine Interne, Hôpital Pellegrin, France.

Abstract

The serological response to Bartonella henselae, B. quintana, and Afipia felis was assessed by an indirect fluorescence antibody test (IFAT) in 64 patients with suspected cat-scratch disease (CSD) recruited from the Bordeaux area in France. Blood samples were collected from 57 patients with chronic lymphadenopathy who underwent lymph-node biopsy with suggestive histopathologic features of CSD, and from an additional 7 patients with suspected CSD who underwent surgical incision and drainage because of lymph-node tenderness. Of the patients, 31 were male and 33 female, with a median age of 27 years (range 2-89). 69.8% reported cat and/or dog contact. Of the 26/64 (40.6%) patients, serum samples were positive at a titer of 1:100 or more for immunoglobulin G (IgG) antibodies (17 only to B. henselae, 1 only to B. quintana, 3 only to Afipia felis, and 5 to both B. henselae and B. quintana). IgM or IgA antibodies were also detected in 10 patients with IgG antibodies to B. henselae. 11 (17.2%) of the 64 patient serum samples were positive at a low titer of 1:50. These data suggested that serological response assessed by standard IFAT is not enough to confirm a CSD diagnosis.

PMID:
8893399
DOI:
10.3109/00365549609037920
[Indexed for MEDLINE]

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