Cat scratch disease and nontuberculous mycobacterial disease: diagnostic usefulness of PPD-Battey, PPD-T and cat scratch skin test antigens.
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Cat-scratch disease (CSD) rarely presents as vertebral osteomyelitis. We describe a case with paresis of the arm with total recovery after antibiotic and neurosurgical therapy. We reviewed 20 other cases of CSD vertebral osteomyelitis in the literature. This diagnosis should be considered in patients with systemic symptoms, back pain, and cat contact. The prognosis is generally good.
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A 43-year-old man was admitted with idiopathic fever. Abdominal ultrasonogram demonstrated multiple hypoechoic lesions in the spleen. Abdominal CT scan showed multiple hypodense lesions in the liver and spleen. The patient had a cat in his house, and the presence of a very high serous antibody titer for Bartonella henselae led to the diagnosis of hepatosplenic cat scratch disease. It is important to consider this disease in the differential diagnosis of idiopathic fever when multiple lesions are detected in the liver and spleen.
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Since its isolation in 1988, Afipia felis has been associated with cat scratch disease (CSD) in only one report and its role in CSD has been questioned. We have cultured A. felis from a lymph node of a patient with CSD. 16S rRNA gene sequencing, DNA relatedness studies, fatty acid analysis, and PCR of the A. felis ferredoxin gene showed that the isolate is identical to the previously reported A. felis isolate. To determine the role of A. felis in CSD, PCR of the 16S rRNA gene followed by hybridizations with specific probes were performed with lymph node specimens from CSD patients. All 32 specimens tested positive for Bartonella henselae and negative for A. felis. We conclude that A. felis is a rare cause of CSD. Diagnostic tests not conducive to the identification of A. felis might cause the diagnosis of CSD due to A. felis to be missed.
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Microscopical examination of biopsy specimens from cat-scratch skin test sites, performed in patients with cat-scratch disease (CSD), sarcoidosis, tuberculosis, and other granulomatous diseases, showed noncaseating granulomatous dermal inflammation in 11 of 12 patients with CSD and in some patients with sarcoidosis or tuberculosis. Biopsy of cat-scratch skin test sites may be a useful ancillary procedure in diagnosing CSD if other granulomatous diseases are excluded.
BACKGROUND AND OBJECTIVE: Our goal was to investigate the kinetics of serum IgG antibodies against Bartonella spp. in patients with cat-scratch disease and in HIV-infected indiviuals. PATIENTS AND METHOD: Sequential determinations were made in seven patients with cat scratch disease and in seven HIV-infected individuals who were seropositive for this bacteria. RESULTS: In five patients from each group, serum antibodies fell under the positivity threshold within two years. Two HIV coinfected patients harbored Bartonella spp. DNA in bone marrow. CONCLUSIONS: These results suggest that the finding of a positive titer of serum IgG against Bartonella spp. is a marker of acute or recent infection.
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A case of cat-scratch disease involving the parotid area in a young adult is presented. Thanks to meticulous history-taking, the correct diagnosis was suggested and later established, thus preventing unnecessary surgery. The pertinent literature is discussed.
In 2 boys aged 8 years and 10 months, respectively, uncommon manifestations of cat scratch disease were seen. The first patient had acute encephalopathy: coma and generalized tonic-clinic convulsions. The second patient was presented with fever and peripheral lymphadenopathy in combination with hypodense lesions in the liver on ultrasound. Diagnosis was established on the clinical picture and the positive results of serological testing of antibody titres for Bartonella henselae. Both patients recovered completely within 2 months.
The first Danish case of Parinaud's oculoglandular syndrome, a manifestation of cat-scratch disease, is reported in a 35-year-old man presenting with an enlarged preauricular lymph node and an ipsilateral conjunctival granuloma. Surgical removal of the granulomatous lesion was followed by rapid healing. The diagnosis was verified by demonstrating a high antibody tire against Rochalimaea (Bartonella) henselae. On subsequent questioning the man gave a history of acquiring a kitten six weeks before his illness. The importance of eye examination in patients presenting with preauricular lymphadenopathy is emphasized.
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