Rhodococcus Empyema in an Immunocompetent Patient

Area of Science:

• Medical Microbiology
• Infectious Diseases

Background:

• Rhodococcus (R.) equi is a gram-positive coccobacillus.
• It typically causes pulmonary infections in animals and rarely in immunocompromised humans.

Observation:

• A rare case of R. equi infection is presented.
• The infection was isolated from an empyema in a 66-year-old patient.

Findings:

• The patient was immunocompetent and experienced recurrent pleural effusions.
• R. equi caused severe pulmonary symptoms, including necrotizing or cavitary pneumonia.

Implications:

• This case expands the known clinical spectrum of R. equi infections.
• It suggests R. equi should be considered in the differential diagnosis of empyema, even in immunocompetent individuals.