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At least 739 records · Page 41Linked to original sources
PubMedDate not supplied

[Bartonella henselae as the causative agent in cat-scratch disease: case report].

In this article we reported typical clinical, primary skin lesion and regional lymphadenitis, and atypical, protracted fever and algic syndrome, characteristics of cat scratch disease (CSD) in a 21-year-old man (a student) from Zadar, Croatia. Laboratory parameters were in normal range. The histopathologic findings of affected lymph nodes included stellate caseating granulomas. By using IFA method a seroconversion of specific IgG antibodies (neg/1:512) and rise of IgM antibodies (1:160/ > 1:320) to B. henselae were detected in paired sera, and these serologic findings indicate on conclusion that B. henselae is probably etiologic agent of CSD in our patient.

Adult↗
PubMed1996

Intermediate uveitis and retinal vasculitis as manifestations of cat scratch disease.

PURPOSE: To study the ocular manifestations of systemic Rochalimaea infection. METHODS: We examined a healthy 21-year old woman who had floaters in both eyes. A bilateral mild vitreitis and multiple foci of retinal vasculitis were found; during the ensuing two weeks, exudates appeared over the inferior pars plana. The patient owned five kittens but had no history of cat bites or scratches. Serum levels of antibodies to Rochalimaea were elevated. RESULT: The retinal vasculitis and vitreitis resolved after three weeks of therapy with ciprofloxacin hydrochloride without concomitant anti-inflammatory therapy. CONCLUSION: Rochalimaea infection should be considered in the differential diagnosis of intermediate uveitis and retinal vasculitis.

Adult↗
PubMed2001

Probable atypical cat scratch disease presenting as isolated posterior pancreatic duodenal lymphadenitis and abdominal pain.

We report a case involving a 15-year-old girl with atypical, clinically unsuspected cat scratch disease (CSD) presenting as isolated posterior pancreatic duodenal lymphadenitis, fever, and abdominal pain. The serological, abdominal ultrasonographic, and CT findings, as well as clinical and epidemiological data, indicate that B. henselae was likely an etiologic agent of CSD in our patient.

Abdominal Pain↗
PubMed1994

Lower urinary tract disease in cats--new problems, new paradigms.

Companion animal diets may be related to prevention, pathogenesis and/or treatment of diseases of the lower urinary tract. For example, urolithiasis can be either diet induced or nutrient sensitive. One of the most interesting developments in veterinary urolithiasis research has been the recent change in the composition of stones recovered from cats. In 1984, 88% of stones analyzed by quantitative methods were > 70% struvite, whereas < 1% were calcium oxalate. In 1992, the percentage of struvite had dropped to 62, whereas the percentage of calcium oxalate had increased to 24. Another recent development in lower urinary tract disease of cats is the recognition that urolithiasis appears to be a minor cause of the signs of frequency, urgency and hematuria for which patients are presented. This suggests that diet may no longer be involved, or be involved in previously unrecognized ways, in many current cases of this disease. Some of these feline patients may have a disease similar to interstitial cystitis, a disease of humans that appears to be of neuroepithelial origin. Our laboratory has been studying this possibility recently, and many similarities between the two diseases have been found.

Animal Feed↗
PubMed1991

Monocytoid B lymphocytes and epithelioid cell clusters in abscess-forming granulomatous lymphadenitis. With special reference to cat scratch disease.

In order to clarify the appearance of monocytoid B lymphocytes (MBLs) in abscess-forming granulomatous lymphadenitis (AGL) and the relation between AGL and cat-scratch disease (CSD), 48 cases of AGL were studied histologically. MBLs were present in about 50% of AGL cases. Warthin-Starry (WS) silver stain-positive bacteria, which are the causative agent of CSD, were present in 52.4% of AGL cases with MBLs and 59.2% of AGL cases without MBLs. The appearance of MBLs in AGL was not related to various clinical features, including disease interval from initial lymphadenopathy to lymph node biopsy. Histologically, epithelioid cell clusters appeared in about 70% of MBL-positive AGL cases, but were not observed in MBL-negative AGL. Therefore, a close interaction between MBLs and epithelioid cells in AGL is suggested, and we emphasize that the histological features of some AGL cases resemble those of toxoplasmic lymphadenitis.

Abscess↗
PubMedDate not supplied

Increased serum growth hormone concentration in feline hypertrophic cardiomyopathy.

Serum growth hormone concentration was measured by radioimmunoassay in 31 cats with hypertrophic cardiomyopathy, 38 normal cats, and 35 cats with other cardiac disease. Cats with hypertrophic cardiomyopathy had a significantly increased serum growth hormone concentration when compared with normal cats and cats with other cardiac disease. The serum growth hormone concentration in cats with hypertrophic cardiomyopathy was less than that previously reported in cats with growth hormone secreting pituitary tumors. Pituitary tumors were not identified in eight of the cats with hypertrophic cardiomyopathy examined at necropsy. An increased serum growth hormone concentration may be measured in cats with hypertrophic cardiomyopathy but it is unclear if the increased serum growth hormone concentration is a cause or effect of hypertrophic cardiomyopathy.

Acromegaly↗
PubMed1996

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

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.

Adolescent↗
PubMed2004

Prevalence of infectious diseases in feral cats in Northern Florida.

Objectives of this study were to determine prevalence of infection in feral cats in Northern Florida with a select group of infectious organisms and to determine risk factors for infection. Blood samples or sera from 553 cats were tested with a panel of antibody, antigen or PCR assays. Male cats were at higher risk for FIV, Mycoplasma haemofelis, and M. haemominutum. Infection with either FeLV or FIV was associated with increased risk for coinfection with the other retrovirus, M. haemofelis, or M. haemominutum. Bartonella henselae had the highest prevalence and was the only organism that did not have any associated risk for coinfection with other organisms. Feral cats in this study had similar or lower prevalence rates of infections than those published for pet cats in the United States. Thus, feral cats assessed in this study appear to be of no greater risk to human beings or other cats than pet cats.

Animals↗
PubMed2006

Prevalence of selected infectious disease agents in cats from Arizona.

The objective of this study was to use polymerase chain reaction (PCR) assays to determine the prevalence of Ehrlichia species, Anaplasma phagocytophilum, Mycoplasma haemofelis, 'Candidatus Mycoplasma haemominutum' and Bartonella species from feral and relinquished cats in Phoenix and Nogales, Arizona. DNA from one or more of the organisms was amplified from 31 of 112 blood samples (27.7%). DNA consistent with Bartonella clarridgeiae 15 (13.4%), Bartonella henselae 14 (12.5%), 'Candidatus M haemominutum' 9 (8.0%), and M haemofelis 5 (4.5%) were detected. DNA of Ehrlichia species, Neorickettsia risticii, or A phagocytophilum was not amplified. Failure to amplify DNA of A phagocytophilum may relate to the absence of appropriate tick vectors. Failure to amplify Ehrlichia species DNA suggests that cats were not exposed, exposed but not infected, or infected but the DNA was not detected by the PCR assay used in this study. The Bartonella species and hemoplasma results suggest flea control should be maintained.

Anaplasma phagocytophilum↗
PubMed1999

Obstructive inflammatory laryngeal disease in three cats.

Three cats with upper respiratory tract obstruction due to laryngeal inflammation are presented. Cervical radiography showed the presence of a soft tissue mass in the laryngeal region in all cases, and laryngoscopy allowed direct visualization of a mass associated with the larynx. Laryngeal samples were obtained by a combination of fine needle aspiration, cutting biopsy forceps, by ventral laryngotomy, and at post-mortem. Histopathology of the laryngeal samples showed the presence of a predominantly granulomatous inflammation, with macrophage and lymphocyte infiltration. One case was euthanased due to severe dyspnoea. The remaining two cases underwent combined medical (corticosteroid and antibiotic) and surgical (permanent tracheostomy or excision of laryngeal tissue by ventral laryngotomy) treatment. One case died of an undetermined cause 15 weeks after surgery while the other case remains clinically well 20 months after diagnosis. Recognition of the existence of granulomatous laryngitis is important as clinical signs and radiographic findings are indistinguishable from laryngeal neoplasia.

Animals↗
PubMed1965

CEREBELLAR DISEASE IN CATS INDUCED BY INOCULATION OF RAT VIRUS.

Rat virus selectively destroys the external germinal layer of the cerebellar cortex when inoculated intracerebrally into newborn cats. The lesions are marked by numerous intranuclear inclusion bodies and a rise of virus titers. These effects suggest that the spontaneous ataxia of cats which is accompanied by cerebellar hypoplasia, may be of viral origin.

Animals↗