DDx ⬇
- Tuberculosis
- Bronchogenic carcinoma
- Fungal infection, e.g., histoplasmosis
- Bronchiectasis
- Cavitary bacterial pneumonia
- Pulmonary vasculitis, e.g., Wegener's granulomatosis
Related DDx ⬆ ⬇
Etiology ⬆
- Usually polymicrobial
- Prevotella melaninogenica
- Peptostreptococcus
- Fusobacterium nucleatum
- Bacteroides