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At least 37 records · Page 2Linked to original sources
PubMed2000

Cervical lymphadenitis and cat scratch disease (CSD): an overlooked disease?

Cat Scratch Disease (CSD) is a benign disease characterized by regional lymphadenopathy affecting most frequently the head and neck region in children and young adults. In the present paper, the authors describe four cases of CSD focusing on clinical history, diagnostic management and therapy. The main germ responsible for this lymph node disease is Bartonella henselae. Diagnosis is based on history, serology and histological findings. Clinical evolution is generally favorable despite the fact that complications occur in about 5% to 13% of patients including encephalitis, hepatitis and Parinaud's oculoglandular syndrome. Antibiotic treatment is only considered for highly symptomatic patients. Surgical excision of the lymphadenopathy is useful to establish the diagnosis when serology is not available and/or when the adenopathy become fluctuating. The authors emphasize the increasing incidence of patients with CSD in the ENT population and the algorithm for CSD disease affecting the cervical lymph nodes.

Adolescent↗
PubMed2004

Epilepsia partialis continua in cat scratch disease.

Cat scratch disease (CSD) is a world-wide, diffuse, non-epidemic infection caused by the Gram-negative bacillus Bartonella henselae. The occurrence of encephalopathy represents an infrequent and atypical complication, whose manifestations include ischemic strokes, transverse myelitis and epileptic seizures. Status epilepticus has been described as the most frequent emergency in CSD encephalopathy. In this report, we describe a case of CSD complicated by an epilepsia partialis continua (EPC) manifested as rhythmic movements of the flexor muscles of the left hand. Although CSD is a benign, self-limited disease and a complete neurological recovery usually occurs, in the present case the EPC resulted in a partial epilepsy. Magnetic resonance imaging (MRI), single photon emission computed tomography (SPECT) and back-averaged EEG data recorded during myoclonic activity document this CSD complication.

Adolescent↗
PubMedDate not supplied

Disciforme keratitis caused by Bartonella henselae: an unusual ocular complication in cat scratch disease.

Cat scratch disease (CSD) is a common infectious disease, however, its association with disciforme keratitis is a previously unreported ocular complication. With the use of the 16S rDNA-PCR technique with subsequent DANN sequencing on corneal material obtained by corneal scrape we were able to identify Bartonella henselae in an unusual form of disciforme keratitis.

Aged↗
PubMed1994

[Cat scratch disease].

Cat scratch disease (CSD) is usually manifested in children and young adults as a benign, chronic self-limited lymphadenopathy. However, various atypical presentations have been described, especially in immunocompromised hosts. 1 of 5 cases of CSD diagnosed here during 1985-1993 is presented. In 3 cases the diagnosis was supported by lymph node biopsy in which the organisms were visualized by Warthin-Starry silver impregnation staining. Recent publications indicate that Afipia felis and Rochalimaea henselae, both Gram-negative bacilli, were isolated from infected lymph nodes in CSD. The usual benign course does not necessitate antibiotic therapy. The antimicrobial agents effective in cases with systemic symptoms were rifampicin, ciprofloxacin, trimethoprim-sulfamethoxazole and gentamicin. In view of the increasing number of cats, an increased incidence of CSD may be expected. The mechanism of transmission from cat to man is still unknown. Fleas or ticks may be involved. Hopefully, recent advances in the identification of the causative organisms may lead to the development of serological tests, reducing the need for skin testing and lymph node biopsy.

Adult↗
PubMed1990

[Cat-scratch disease].

Cat scratch disease is a self-limited but chronic lymphadenitis which has acquired new interest by the description of a responsible pathogen, an intracellularly located gram-negative rod. Due to its low pathogenicity for laboratory animals, the definite proof for causality is still lacking. Severe systemic courses, mainly in immune suppressed patients, can however be identified more positively by detection of this pathogen. A routine diagnostic test is likely to be developed in the near future and therapeutic guidelines for the minority of severe, progressive forms may be drawn up.

Cat-Scratch Disease↗
PubMed1999

Unusual eruption as a presenting symptom of cat scratch disease.

Cat scratch disease (CSD) is a common infectious cause of subacute regional lymphadenopathy. Bartonella henselae is the principal etiologic agent. About 10% of CSD patients experience atypical manifestations, including rashes. The most common cutaneous manifestation of CSD is a papule at the inoculation site. We report a case of CSD presenting with an eruption on the upper trunk, reminiscent of Sweet's syndrome, accompanied by lymphadenopathy, arthralgia, and fever. Response to systemic corticosteroids was remarkable. Histopathologic findings refuted the diagnosis of Sweet's syndrome. Identification of anti-B henselae antibodies and B henselae DNA in the affected lymph node confirmed the diagnosis of CSD. This is a first report of extensive papuloedematous eruption as a cutaneous manifestation of CSD. Accurate diagnosis is possible due to the availability of serological tests and DNA amplification techniques.

Adult↗
PubMed2001

Unsuspected extralymphocutaneous dissemination in febrile cat scratch disease.

Cat scratch disease (CSD) commonly manifests as regional self-limited lymphadenitis. However, dissemination of the infection to distant multiple sites may occur even in immunocompetent patients. We report a series of 11 children with fever and extralymphocutaneous manifestations of CSD, in order to highlight potential multiorgan involvement in patients with febrile CSD. To be eligible for enrollment, patients had to present with involvement of sites other than regional lymph nodes. The diagnosis was based on suggestive clinical criteria, histological findings and positive serology. The utilization of ultrasound imaging revealed hepatic lesions in 3 children and splenic lesions in 8 children, whereas osteolytic lesions were observed in 4 children by bone scan. Hepatic or splenic involvement was not suggested by clinical signs or biochemical investigation in 2/3 and 6/8 children, respectively. Bone involvement was supported either by relative symptoms or signs. Our findings indicate that, in the presence of fever, extralymphocutaneous manifestations have to be anticipated in patients with clinically suspected CSD. The systematic use of imaging modalities in patients with serologically documented Bartonella henselae infection could contribute to a better understanding of the clinical spectrum of CSD.

Adolescent↗
PubMed1994

Rochalimaea henselae organisms possess an elevated capacity of binding to peripheral blood lymphocytes from patients with cat scratch disease.

Cat scratch disease (CSD) is a clinical condition whose aetiological agent, according to recent findings, is of bacterial origin. Two Gram-negative bacteria are invoked as causative agents of CSD, namely Afipia felis and Rochalimaea henselae. In this paper, five patients with suspected CSD were studied in terms of binding capacity of A. felis and R. henselae to their own peripheral blood lymphocytes (PBL). This parameter was correlated with serum antibody titres to both A. felis and R. henselae, as determined by an indirect fluorescence assay (IFA). Results demonstrate that in four out of five cases binding of R. henselae to PBL was higher than that observed with A. felis. In two cases serum antibody titres to both bacteria were lower or absent, while in the other two patients serum antibody titres to R. henselae were significantly high. In one case only, characterized by elevated titres of serum antibodies to A. felis, values of cytoadherence exhibited by this bacterium were similar to those observed with R. henselae. The results suggest that bacterial binding to lymphocytes may represent an additional parameter to support diagnosis of CSD.

Adolescent↗
PubMed2007

Molecular characterisation of the gut microflora of healthy and inflammatory bowel disease cats using fluorescence in situ hybridisation with special reference to Desulfovibrio spp.

Inflammatory bowel disease (IBD) is a common cause of chronic large bowel diarrhoea in cats. Although the aetiology of IBD is unknown, an immune-mediated response to a luminal antigen is thought to be involved. As knowledge concerning the colonic microflora of cats is limited and requires further investigation, the purpose of this study was to determine the presence of specific bacterial groups in normal and IBD cats, and the potential role they play in the health of the host. Total bacterial populations, Bacteroides spp., Bifidobacterium spp., Clostridium histolyticum subgp., Lactobacillus-Enterococcus subgp. and Desulfovibrio spp. were enumerated in 34 healthy cats and 11 IBD cats using fluorescence in situ hybridisation. The study is one of the first to show the presence of Desulfovibrio in cats. Total bacteria, Bifidobacterium spp. and Bacteroides spp. counts were all significantly higher in healthy cats when compared with IBD cats, whereas Desulfovibrio spp. (producers of toxic sulphides) numbers were found to be significantly higher in colitic cats. The information obtained from this study suggests that modulation of bacterial flora by increasing bifidobacteria and decreasing Desulfovibrio spp. may be beneficial to cats with IBD. Dietary intervention may be an important aspect of their treatment.

Animals↗
PubMed1977

Significance and pathogenic role of Mycoplasma arginini in cat diseases.

Eighty-one strans of Mycoplasma arginini were isolated from swabs and tissues cultured from a series of 555 cats. The majority of these strains (84%) were recovered from the oropharyngeal regions. M. arginini was experimentally inoculated into young kittens. No clinical disease was produced. However, there was rapid colonization in the inoculated sites.

Animals↗