Cavitary lung lesion: Difference between revisions
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==Differential Diagnosis== |
==Differential Diagnosis== |
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===Immunocompetent Hosts=== |
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*Infectious |
*Infectious |
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**Foreign body aspiration |
**Foreign body aspiration |
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===Immunocompromised Hosts=== |
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*Common |
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**Bacteria: [[Pseudomonas aeruginosa]], [[Enterobacterales]], [[Nocardia species]], [[anaerobes]] and microaerophilic streptococci, [[Staphylococcus aureus]] |
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**Mycobacteria: [[Mycobacterium tuberculosis]], [[Mycobacterium kansasii]] |
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**Fungi: [[Cryptococcus species]], [[Aspergillus species]], [[Histoplasma capsulatum]] |
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*Less common |
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**Bacteria: [[Rhodococcus equi]], [[Legionella species]] |
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**Mycobacteria: [[Mycobacterium avium complex]], [[non-tuberculous mycobacteria]] |
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**Fungi: [[Mucorales]], [[Blastomyces dermatitidis]], [[Pneumocystis jirovecii]] |
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[[Category:Respiratory infections]] |
[[Category:Respiratory infections]] |
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Revision as of 20:08, 3 January 2021
Differential Diagnosis
Immunocompetent Hosts
- Infectious
- Necrotizing infections
- Bacterial lung abscess
- Common bacteria: anaerobes ± aerobic or microaerophilic streptococci
- Other bacteria: Staphylococcus aureus, Klebsiella pneumoniae, Enterobacterales, Pseudomonas aeruginosa, Legionella species, Haemophilus influenzae type B, Nocardia species, Actinomyces species, Burkholderia pseudomallei
- Mycobacteria: Mycobacterium tuberculosis, non-tuberculous mycobacteria
- Fungi: Aspergillus species, Coccidioides species, Histoplasma species, Blastomyces dermatitidis, Cryptococcus species, Mucorales, Pneumocystis jirovecii
- Parasites: Entamoeba histolytica, Paragonimus westermani
- Bacterial lung abscess
- Empyema with air-fluid level (i.e. hydropneumothorax)
- Septic pulmonary emboli
- Necrotizing infections
- Non-infectious
- Pulmonary embolism with infarction
- Vasculitis, including granulomatosis with polyangiitis
- Neoplasm
- Pulmonary sequestration
- Bullae or cysts with air-fluid level
- Bronchiectasis
- Cryptogenic organizing pneumonia
- Sarcoidosis
- Rheumatoid nodules
- Pulmonary Langerhans histiocytosis
- Foreign body aspiration
Immunocompromised Hosts
- Common
- Bacteria: Pseudomonas aeruginosa, Enterobacterales, Nocardia species, anaerobes and microaerophilic streptococci, Staphylococcus aureus
- Mycobacteria: Mycobacterium tuberculosis, Mycobacterium kansasii
- Fungi: Cryptococcus species, Aspergillus species, Histoplasma capsulatum
- Less common
- Bacteria: Rhodococcus equi, Legionella species
- Mycobacteria: Mycobacterium avium complex, non-tuberculous mycobacteria
- Fungi: Mucorales, Blastomyces dermatitidis, Pneumocystis jirovecii
