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[Hepato-pulmonary Nocardia infections (report of one case) (author's transl)]
Abstract:
Actinomycosis due to Nocardia asteroides is a mainly pulmonary disease; the metastases are due to migration of the germ in the blood from the primary lung focus. The case reported here concerned a patient whose initial symptoms were mainly hepatic, suggesting an amoebic abscess of the liver. The pulmonary lesions appeared only secondarily with presence in the sputum of the nocardia which was responsible. Prolonged treatment with trimethoprime sulfamethazole led to complete and lasting cure of the lesions, confirmed radiographically and by a liver scan.
Insights
Nocardia asteroides actinomycosis, usually pulmonary, can present with liver symptoms. This case highlights successful treatment of hepatic and secondary pulmonary nocardiosis with trimethoprim-sulfamethoxazole.
Area of Science:
- Infectious Diseases
- Microbiology
- Pulmonology
Background:
- Actinomycosis, typically a pulmonary disease caused by Nocardia asteroides, often involves hematogenous spread from a primary lung infection.
- Metastatic Nocardia asteroides infections can mimic other conditions, complicating diagnosis and treatment.
- Early identification and appropriate antimicrobial therapy are crucial for managing Nocardia infections.
Observation:
- A patient presented with initial symptoms predominantly affecting the liver, mimicking an amoebic liver abscess.
- Pulmonary lesions and Nocardia asteroides in sputum appeared secondary to the initial hepatic presentation.
- The clinical presentation challenged the typical understanding of Nocardia asteroides infection progression.
Findings:
- Nocardia asteroides was identified as the causative agent in a patient with primary hepatic symptoms and secondary pulmonary involvement.
- Prolonged treatment with trimethoprim-sulfamethoxazole resulted in a complete and sustained cure.
- Radiographic and liver scan confirmations validated the treatment efficacy.
Implications:
- This case underscores the importance of considering Nocardia asteroides in the differential diagnosis of hepatic abscesses, even without apparent initial pulmonary disease.
- The findings support trimethoprim-sulfamethoxazole as an effective therapeutic agent for disseminated Nocardia asteroides infections.
- Clinicians should maintain a high index of suspicion for Nocardia asteroides in complex infectious presentations involving multiple organ systems.