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Primary brain abscess with Nocardia otitidiscaviarum in an intravenous drug abuser
1Service of Microbiology, Clinic Hospital Lozano Blesa, Zaragoza, Spain.
Abstract:
A primary brain abscess with Nocardia otitidiscaviarum in an intravenous drug abuser is reported. Nocardia brain abscess has been reported infrequently and normally only in immunocompromised patients. The lungs are the most common primary focus, but brain abscess may also occur following direct cutaneous inoculation. In this case the clinical presentation was first diagnosed as an astrocytoma. However, N. otitidiscaviarum was isolated from the lesion after emergency craniotomy. In contrast to five cases described previously the patient survived after surgical removal and antibiotic treatment with imipenem and trimethoprim-sulphamethoxazole.
Insights
This case study reports a rare primary brain abscess caused by Nocardia otitidiscaviarum in an intravenous drug user. The patient survived after surgery and specific antibiotic treatment, highlighting a successful outcome in an immunocompromised individual.
Area of Science:
- Neurology
- Infectious Diseases
- Microbiology
Background:
- Nocardia brain abscess is infrequent, typically affecting immunocompromised patients.
- Primary Nocardia brain abscesses can arise from pulmonary or cutaneous sources.
- Intravenous drug abuse is a risk factor for various infections, including rare abscesses.
Observation:
- A case of primary brain abscess caused by Nocardia otitidiscaviarum in an intravenous drug abuser.
- Initial clinical presentation mimicked an astrocytoma.
- Nocardia otitidiscaviarum was identified after emergency craniotomy.
Findings:
- Successful surgical removal of the brain abscess.
- Effective antibiotic treatment with imipenem and trimethoprim-sulphamethoxazole.
- Patient survival, contrasting with previously reported cases.
Implications:
- Demonstrates a rare presentation of Nocardia otitidiscaviarum brain abscess in an immunocompromised patient.
- Highlights the importance of considering Nocardia in brain abscesses, especially in at-risk populations.
- Suggests that prompt surgical intervention and appropriate antibiotic therapy can lead to favorable outcomes.
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