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Pediatr Radiol. 2000 Sep;30(9):640-3.

Regional lymphadenopathy in cat-scratch disease: ultrasonographic findings.

Author information

1
Departamento de Radiología, Hospital Clínico Universidad Católica, Santiago, Chile. famgarc@entelchile.net

Abstract

BACKGROUND:

Cat-scratch disease (CSD) is considered to be an emerging disease worldwide and is caused by Bartonella henselae, a gram-negative bacterium introduced by a scratch or bite of a cat. The most common clinical manifestation is regional lymphadenopathy, but clinical recognition may be difficult, as atypical manifestations may occur. The diagnosis is confirmed with serologic testing and histology is rarely needed. This paper is based on our experience with the use of ultrasonography in the diagnosis of CSD.

OBJECTIVE:

The aim of this study was to describe the sonographic and color Doppler appearances of regional lymphadenopathy in CSD, as this has not widely reported in the literature.

MATERIALS AND METHODS:

Forty-seven patients (average 9.4 years) were included who all had serologically and/or histologically proven CSD and had been studied using US early in the clinical course. All had a positive history of exposure to cats and exhibited regional lymphadenopathy.

RESULTS:

US showed large hypoechoic adenopathy with some transmission enhancement and high vascularization on color-flow Doppler imaging. In 30 patients, abdominal US was also performed and splenic and/or hepatic granulomata were found in 10.

CONCLUSIONS:

In our experience, sonography and especially color-Doppler and power-Doppler sonography was helpful in the diagnosis of CSD. We believe it should be used in the initial study of children with regional lymphadenopathy, and serologic testing should be performed when CSD is suspected.

PMID:
11009305
DOI:
10.1007/s002470000275
[Indexed for MEDLINE]

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