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Published on: January 12, 2016
Rhodococcus equi brain abscess in a patient without HIV
1Department of Internal Medicine, Michigan State University College of Human Medicine, East Lansing, MI 48824, USA.
Journal of Clinical Pathology
|March 26, 2005
Summary
Rhodococcus equi infections, typically seen in immunocompromised individuals, can cause severe lung and brain abscesses. This case highlights successful treatment in an immunocompetent patient, expanding understanding of rhodococcus infections.
Area of Science:
- Medical Microbiology
- Infectious Diseases
- Pulmonology
Background:
- Rhodococcus equi is an opportunistic pathogen primarily affecting immunocompromised individuals, notably those with human immunodeficiency virus (HIV).
- Infections typically manifest as chronic pulmonary disease or intracranial abscesses.
- Cell-mediated immunity plays a crucial role in controlling Rhodococcus equi infections.
Observation:
- This report details a rare case of Rhodococcus equi causing both brain and pulmonary infections.
- The patient was immunocompetent, lacking HIV or other known disorders of cell-mediated immunity.
- The clinical presentation included significant pulmonary and intracranial involvement.
Findings:
- The patient received a combination therapy of intravenous imipenem, vancomycin, and rifampin.
- Treatment duration was eight weeks.
- The patient demonstrated a complete recovery from the disseminated Rhodococcus equi infection.
Implications:
- This case expands the known spectrum of Rhodococcus equi infections to include immunocompetent individuals.
- It underscores the importance of considering Rhodococcus equi in the differential diagnosis of pulmonary and neurological infections, even without overt immunosuppression.
- Successful treatment with a multi-drug regimen suggests effective therapeutic options are available.
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