Weekly Chest CasesImaging Conference Cases

Case No : 4

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  • Age/Sex 37 / M
  • Case Title 37-year-old man with low grade fever for 10 days History of allo-BMT 1 yr ago, on immunosuppressive drug for chronic GVHD
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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,
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