Sunil K. Ahuja, MD

Nocardia asteroides is a rarecause of pulmonary or disseminatedinfection in immunocompetentpersons. Pleuralcompromise is common, butempyema necessitatis is veryrare. The authors describe anapparently immunocompetentpatient with N asteroides infectionwho had chest wallcompromise mimicking empyemanecessitatis.