대한흉부영상의학회 Korean Society of Thoracic Radiology

Discussion

Diagnosis With Brief Discussion

Courtesy

St. Marys Hospital, The Catholic University of Korea

Discussion

Multiple nodules with or without cavitation in immunocompromised patients
1. Infections
A. Bacterial
1) Septic nodules (S.aureus)
2) Nocardia
3) Legionella
B. Fungal
1) Cryptococcus
2) Aspergillus
3) Mucormycosis
4) Candida
2. Neoplasm
3. Others

Nocardiosis
- Gram positive bacilli, staining weakly acid-fast
- Opportunistic bacterium causes pneumonia in the conditions in which cellular immunity is depressed
- Antecedent corticosteroid therapy
- Single or multiple nodules with or without cavitation
- Extend to the pleural surface with associated pleural effusion or chest wall invasion
- Disseminated disease with involvement of the brain, meninges, and skin

Reference

Keywords

Lung, Infection, Bacterial infection,