Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 ...
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Description

Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis, blastomycosis, coccidioides).
 - Zoonotic (e.g.: tularemia/rabbits, chlamydia psittaci/avian, leptospirosis or yersinia/rats, Q fever/farm)
 - Returning travelers (e.g.: Burkholderia pseudomallei, hanta virus,.. )
Neoplasms:
 - Bronchogenic Carcinoma.
 - Lymphoma.
Immunologic disorders:
 - Vasculitis (granulomatosis with polyangiitis, microscopic polyangiitis).
 - Eosinophilic PNA (acute or chronic).
 - Sarcoidosis.
 - Cryptogenic organizing PNA.
 - Alveolar proteinosis.
 - Hypersensitivity pneumonitis
 - Other Rheum (RA, SLE, ...)
Others:
 - Pulmonary vascular abnormalities (Pulmonary infarction/PE, CHF)
 - Drug toxicity (Amio, bleomycin, MTX,..)

BCM IM Residency @BCM_InternalMed

#NonResolving #Pneumonia #diagnosis #pulmonary #differential
Contributed by

Dr. Gerald Diaz
@GeraldMD
Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief πŸ‡΅πŸ‡­ πŸ‡ΊπŸ‡Έ - Sign up for an account to like, bookmark and upload images to contribute to our community platform. Follow us on IG:  https://www.instagram.com/grepmed/ | Twitter: https://twitter.com/grepmeded/
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