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PubMed2001

Treatment of cat-scratch disease.

Cat-scratch disease is an infection caused by Bartonella henselae, a fastidious gram-negative bacillus acquired from exposure to an infected kitten or cat. The most common manifestation of human disease is lymphadenitis. Atypical forms of infection include Parinaud oculoglandular syndrome, stellate neuroretinitis, persistent fever without localizing signs, hepatosplenic infection, encephalopathy, osteomyelitis, and endocarditis. Immunocompromised individuals with B. hensalae infection may develop bacillary angiomatosis, bacillary peliosis, and relapsing bacteremia with fever syndrome. The bacillus is susceptible to several antibacterial agents in vitro, including penicillins, cephalosporins, aminoglycosides, tetracyclines, macrolides, quinolones, trimethoprim and sulfamethoxazole, and rifampin. Greatest clinical efficacy has been observed following treatment with rifampin, ciprofloxacin, gentamicin, trimethoprim and sulfamethoxazole, clarithromycin, and azithromycin. In one placebo-controlled study, azithromycin therapy was associated with more rapid diminution in size of infected lymph nodes. The majority of cases of cat-scratch disease occurring in normal hosts do not require anti-infective therapy for resolution of infection.

Animals↗
PubMed1995

Multiple pulmonary nodules as a manifestation of cat-scratch disease.

Cat-scratch disease is an unusual bacterial illness that only rarely shows pulmonary involvement. The authors describe a 19-year-old woman with chronic renal failure who presented with multiple pulmonary nodules, a previously undescribed manifestation of cat-scratch disease.

Adult↗
PubMed1990

Neuroretinitis in cat scratch disease.

We report a patient with neuroretinitis, whose associated lymphadenopathy, exposure to cats, and strongly positive cat scratch antigen skin tests suggested the diagnosis of cat scratch disease. Cat scratch disease should be added to the list of infectious agents believed to produce the clinical picture of neuroretinitis.

Adult↗
PubMed1986

Cat-scratch disease.

Cat-scratch disease has been reported with increasing frequency since its initial description in 1931. It is now recognized as being so prevalent that it probably represents the most common cause of unilateral lymphadenopathy in children, once nonspecific viral diseases and cutaneous infections have been excluded. The cardinal feature of the disease is a subacute regional granulomatous lymphadenitis. Because of its relatively mild natural course, most cases are treated on an outpatient basis. Forty-four children, representing the more seriously ill portion of the disease spectrum, were treated at Texas Children's Hospital from 1972 to 1984 and constitute the data base for this article. Most patients were symptomatic for nearly 1 month prior to admission, typically complaining of low-grade fever and regional lymphadenopathy. The two most common sites of lymph node involvement were the axilla (54%) and the neck (46%). Although there is, at this time, no specifically recommended treatment, 80% of patients received antibiotics and 70% underwent a surgical procedure--usually total nodal excision. Nodal excision was followed by rapid resolution of symptoms. Because cat-scratch disease is benign, surgery should be reserved for severe cases with signs of significant suppuration. Generally, symptomatic relief can be afforded by warm soaks and analgesics and recovery over the course of several weeks is uneventful.

Adolescent↗
PubMed2002

Chronic osteomyelitis associated with cat-scratch disease.

Cat-scratch disease (CSD) is usually a self-limited illness, though atypical presentations of infection with Bartonella henselae can occur, including osteomyelitis, oculoglandular syndrome, and granulomatous hepatitis. We describe a 6-year-old boy who had atypical CSD osteomyelitis of the left proximal femoral metaphysis due to a cat scratch. This is the second paper to report serial serology of B henselae, and the second paper to identify plasma cells on histologic examination, compatible with chronic osteomyelitis. The diagnosis was made by clinical, serologic, and histologic examination. Sixteen cases of atypical CSD osteomyelitis have been reported in the English literature and are reviewed in this paper.

Animals↗
PubMed2006

Systemic cat scratch disease.

Systemic cat scratch disease (CSD) is often associated with prolonged fever and microabscesses in the liver and/or spleen. We report a case of systemic CSD with hepatic, splenic and renal involvement in an aboriginal child in Taiwan. A previously healthy 9-year-old girl had an intermittent fever for about 17 days, and complained of abdominal pain, headache and weight loss. Abdominal computed tomography showed multiple tiny hypodense nodular lesions in the spleen and both kidneys. Laparotomy revealed multiple soft, whitish-tan lesions on the surface of the liver and spleen. Histopathologic examination of a biopsy specimen of the spleen showed necrotizing granulomatous inflammation with central necrosis surrounded by epithelioid cells and occasional Langhans' giant cells, strongly suggestive of Bartonella henselae infection. History revealed close contact with a cat. B. henselae DNA was detected by polymerase chain reaction in the tissue specimen, and the single antibody titer against B. henselae was greater than 1:2048. These results confirmed the diagnosis of visceral CSD caused by B. henselae. The patient's symptoms resolved after treatment with rifampin and tetracycline. This case illustrates the need for inclusion of systemic CSD in patients with fever of unknown origin and abdominal pain.

Animals↗
PubMed2000

Neuroretinitis: a clinical syndrome of cat-scratch disease.

Cat-scratch disease is usually a benign self-limited illness, characterized by regional lymphadenopathy lasting between 3 and 6 weeks. The causative organism is Bartonella henselae, a small gram-negative rod. Between 1 and 2% of patients who contract the illness experience blurred vision, metamorphopsia and scotomas as a result of neuroretinitis, an associated clinical syndrome. The classical clinical findings in cat-scratch neuroretinitis include disc edema and a stellate pattern of exudates in the macula. However, a myriad of other signs has been documented, suggesting a much wider spectrum of intra-ocular disease. The following case report presents a young patient with neuroretinitis, and a history of lymphadenopathy secondary to cat-scratch disease.

Journal Article↗
PubMed1991

[Cat-scratch disease].

Cat-scratch disease is usually a self-limited illness characterized by regional lymphadenopathy and a skin inoculation lesion. These findings generally resolve spontaneously over a period of several weeks or months. The discovery of the causative organism, an intracellular gram-negative rod and the recognition of severe systemic courses in immuno-compromised patients have renewed the interest in this disease. We report a prolonged clinical course with lymph node suppuration in an immunocompetent patient. The diagnosis was confirmed by the detection of the organism in Warthin-Starry silver stained lymph node biopsy.

Adult↗
PubMed1976

Continuing search for the etiology of cat scratch disease.

Fifty cat scratch disease patients were tested for antibodies against candidate etiological agents, with inconclusive results. Future research should emphasize new viral isolation methods to discover the elusive agent.

Antibodies, Bacterial↗
PubMed1991

Cat-scratch disease.

Cat-scratch disease is a relatively common disorder that is the result of infection with a recently identified gram-negative bacillus. Although it is overwhelmingly a benign, self-limited illness requiring only supportive care, serious complications can occur and the disease may be life-threatening on occasion. Although randomized clinical trials of antibiotic therapy for CSD do not exist, CSD has demonstrated in vitro susceptibility to several antibiotics, and gentamicin has been reported beneficial in a few patients with systemic manifestations of the illness. Therefore, pending clinical trials, gentamicin may be worthy of consideration in CSD patients with serious manifestations of this illness. CSD is one of the most common causes of adenopathy and should be considered in all patients who present with unilateral or regional lymphadenopathy.

Cat-Scratch Disease↗
PubMed1998

[Cat-scratch disease].

Cat-scratch disease is a subacute, regional lymphadenitis syndrome that occurs mainly in children. The causative agent is Bartonella henselae. After an incubation period ranging usually between 1 and 2 weeks, red papules develop at the site of cutaneous inoculation and persist until the development of lymphadenopathy with some malaise. Cases with complications have been observed including Parinaud oculoglandular syndrome, encephalopathy, a variety of exanthems and granumatous hepatitis. Diagnosis is based on serologic tests and, when necessary, antimicrobial treatment can be considered. Incision and drainage should not be done.

Amoxicillin-Potassium Clavulanate Combination↗
PubMed1986

Pleural effusion and anicteric hepatitis associated with cat-scratch disease. Documentation by cat-scratch bacillus.

Prior to the discovery of the coccobacillus in the lymph nodes of patients with cat-scratch disease by Wear and associates, the diagnosis was based on clinical findings and a nonstandardized skin test. Atypical cases either remained an enigma or were questioned as to accuracy of diagnosis. We present here a case of cat-scratch disease associated with pleural effusion, anicteric hepatitis, and other systemic manifestations confirmed by identification of the coccobacillus. It is the first association with a pleural effusion. With the Warthin-Starry stain, we anticipate a redefinition of this disease. The confirmation of atypical cases will help broaden the clinical spectrum, as well as guide us to consider this diagnosis where its classic manifestations may be absent.

Adult↗
PubMed2006

[Cat scratch disease--course, diagnosis].

Cat scratch disease is an infection which often causes regional lymphadenopathy. Bartenolloses present a growing health problem both in human and veterinary medicine. They may be etiological fevers of unknown etiology, endocarditis, pneumonia, meningitis. The mildest clinical form is the cat scratch disease which proceeds as a mild regional lymphadenopathy. It is caused by Bartonellosis henselae. Animals, especially cats, are the sourse of infections. Lymphadenitis may remain for many weeks and requires differentiation from other causes of regional lymphadenopathy. Three typical cases of the disease are presented. All sick persons had contact with cats. In none case a primary change was observed. In the case no 1 the possibility of occurrence of the disease was not considered and it was diagnosed only after histopathological examination of lymphnodes. In the two other cases diagnoses were established on the basis of serological examination after a few days of admittance for hospital treatment. Cat scratch disease is rarely diagnosed in Poland probably due to insufficient knowledge of the clinical form of this disease. Swollen lymph nodes together with patient contact with a cat or other animals established during a detailed interviewing, raise suspicion of CSD. Denial by a patient of the primary change does not rule out diagnosis. When regional lymphadenopathy of cat scratch disease is taken into consideration in differential diagnosis and serological tests are carried out, it may be possible in many cases to eliminate any further diagnostics burdening a sick person.

Adolescent↗
PubMed2006

An unusual outcome in a child with hepatosplenic cat-scratch disease.

Typical cat-scratch disease (Bartonella henselae infection) in an immunocompetent child is usually associated with a history of scratch, bite or intimate contact with a cat. Most patients develop a non-tender papule in the scratch line after three to ten days. This may persist for only a few days or as long as two to three weeks. During the next two weeks or more, regional lymph nodes that drain the area gradually enlarge and then slowly resolve in more than 10% of patients. The nodes develop overlying erythema and may suppurate. Atypical forms of cat-scratch disease occur in a minority of cases and are characterized by ocular or neurological manifestations, hepatosplenic involvement, vertebral osteomyelitis, endocarditis etc. Immunocompromised individuals with B. henselae infection may develop bacillary angiomatosis, bacillary peliosis, and relapsing bacteremia. There have been several reports of hepatosplenic granulomas caused by B. henselae in immunocompetent children. We report a case of a 6-year-old boy with the hepatosplenic form of cat-scratch disease. Despite early diagnosis and long-term antimicrobial treatment, splenectomy could not be avoided.

Anti-Bacterial Agents↗
PubMed1990

Cat-scratch disease bacteria.

Cat-scratch disease is a benign inoculative lymphoreticulosis, related to the presence of a polymorph bacillus, Warthin-Stary silver stained, Gram negative as assessed by Brown-Hopp staining. It is found in the capillary walls and in macrophages bordering the lymph node sinusoids at the site of inoculation, in regional subacute adenopathy before softening, in internal organs and blood cultures of systemic infections, occurring more often in immuno-compromised patients. These bacteria have been demonstrated in subcutaneous vascular nodules, near to histiocytoid hemangioma in AIDS patients; these lesions are very similar to early stage Kaposi's sarcomas. This bacteria is provisionally listed as G 1492 by the Center for Disease Control.

Acquired Immunodeficiency Syndrome↗
PubMed1998

Two different genotypes of Bartonella henselae in children with cat-scratch disease and their pet cats.

Two genotypes (I and II) of Bartonella henselae are involved in cat-scratch disease (CSD). Lymph node biopsies were taken from 3 children suffering from CSD, and blood cultures were obtained from their pet cats. Cat-scratch disease was confirmed serologically, histologically and by detection of B. henselae DNA in all 3 lymph nodes by PCR. Bartonella henselae grew in all cats' blood cultures. The first 2 children were siblings. Both children and their pet cats were infected with B. henselae genotype II, and the third patient and her cat were infected with B. henselae genotype I. In all cases, there were no essential differences in the clinical manifestations of the infection caused by these 2 genotypes of B. henselae.

Adolescent↗
PubMed1990

Cat scratch disease and glomerulonephritis.

Cat scratch disease is a generally benign, self-limited disease characterized by fever and regional lymphadenitis. Systemic complications are rare and most frequently affect the central nervous system, bone, liver or spleen. We report the first case of glomerulonephritis associated with cat scratch disease which resolved spontaneously concurrent with the resolution of lymphadenitis and constitutional symptoms. Immunopathologic and ultrastructural studies suggest a form of immune-mediated postinfectious glomerulonephritis.

Adolescent↗