RESUMO
Disseminated histoplasmosis is the most serious form of the disease produced by the fungus Histoplasma capsulatum. Histoplasmosis was first described by Darling in 1906, and it is endemic in certain areas of Central and Southeastern regions of USA, and most Latin America countries, including the Pampa húmeda and Mesopotamia regions in Argentina, but in other continents it has a limited regional distribution. Lung involvement predominates in 90% of cases, but H. capsulatum may involve bone and soft tissues. Bone lesions without other signs of infection are very rare, and are often misdiagnosed as cancer. We report a case of disseminated histoplasmosis in a man with a myelodysplasia who presented a left tibial abscess, without any clinical evidence of pulmonary involvement. The patient was successfully treated with itraconazole.
Assuntos
Abscesso/microbiologia , Histoplasmose/complicações , Tíbia/microbiologia , Histoplasma , Humanos , Masculino , Pessoa de Meia-IdadeRESUMO
Achromobacter xylosoxidans is a rare cause of bacteremia, and little information on treatment is available. The majority of patients who have developed Achromobacter bacteremia have presented predisposing causes to the infection. A case of community-acquired pneumonia and bacteremia due to A. xylosoxidans in a previously healthy patient is reported. Achromobacter is usually resistant to ampicillin, cephalosporins (1st, 2nd, and 3rd generation), aminoglycosides, and fluoroquinolones. Piperacillin, piperacillin-tazobactam, and trimethoprim-sulfamethoxazole inhibit most isolates.
Assuntos
Alcaligenes/isolamento & purificação , Bacteriemia/microbiologia , Infecções por Bactérias Gram-Negativas/microbiologia , Pneumonia Bacteriana/microbiologia , Idoso , Idoso de 80 Anos ou mais , Alcaligenes/efeitos dos fármacos , Bacteriemia/diagnóstico , Infecções Comunitárias Adquiridas/diagnóstico , Infecções Comunitárias Adquiridas/tratamento farmacológico , Infecções Comunitárias Adquiridas/microbiologia , Infecções por Bactérias Gram-Negativas/diagnóstico , Infecções por Bactérias Gram-Negativas/tratamento farmacológico , Humanos , Masculino , Pneumonia Bacteriana/diagnóstico , Pneumonia Bacteriana/tratamento farmacológicoRESUMO
Achromobacter xylosoxidans is a rare cause of bacteremia, and little information on treatment is available. The majority of patients who have developed Achromobacter bacteremia have presented predisposing causes to the infection. A case of community-acquired pneumonia and bacteremia due to A. xylosoxidans in a previously healthy patient is reported. Achromobacter is usually resistant to ampicillin, cephalosporins (1st, 2nd, and 3rd generation), aminoglycosides, and fluoroquinolones. Piperacillin, piperacillin-tazobactam, and trimethoprim-sulfamethoxazole inhibit most isolates.
RESUMO
Disseminated histoplasmosis is the most serious form of the disease produced by the fungus Histoplasma capsulatum. Histoplasmosis was first described by Darling in 1906, and it is endemic in certain areas of Central and Southeastern regions of USA, and most Latin America countries, including the Pampa húmeda and Mesopotamia regions in Argentina, but in other continents it has a limited regional distribution. Lung involvement predominates in 90
of cases, but H. capsulatum may involve bone and soft tissues. Bone lesions without other signs of infection are very rare, and are often misdiagnosed as cancer. We report a case of disseminated histoplasmosis in a man with a myelodysplasia who presented a left tibial abscess, without any clinical evidence of pulmonary involvement. The patient was successfully treated with itraconazole.