12 results
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Lung abscess ... seen • Chest CT ... Lung Abscess ... Abscess Differential
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... Advanced HIV (CD4 ... (elevations of liver ... Imaging, high res CT ... NTM #Infections #differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Diagnosis Framework Disease ... • CT: Halo sign ... factor • May cause ... #AIDS #pulmonary
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Chronic lung ... • Liver diseases ... Chest CT: • Ground-glass ... DDX - Other causes ... Epstein-Barr syndrome, HIV
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Infections in HIV-AIDS ... failure, COPD, Lung ... CXR +/- High res CT ... Infectious Diseases ... diagnosis #evaluation #differential
Disseminated Actinomycosis- ...Computed tomography of the chest and abdomen revealed multiple pulmonary nodules (Panel A) associated
, and multiple liver ... bacterial infection caused ... formation of multiple abscesses ... #NEJM #clinical ... #radiology #CT #
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
verrucous) • Lung ... , Pancreas, Gastric ... Septic Emboli Cause ... Marantic (NTBE) Differential ... Treat underlying cause
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
in the adjacent lung ... of the affected lung ... high-resolution chest CT ... , CCP, ANCA • HIV ... Bronchiectasis #pulmonary #differential
Squamous-Cell Carcinoma of the Lung- ...Physical examination revealed decreased air entry in the base of the
Carcinoma of the Lung ... base of the right lung ... disease... ... #NEJM #clinical ... #radiology #CT #
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
/ AIDS - Differential ... tuberculomas, or abscesses ... enhancement on CT ... Demyelinating disease ... caused by the JC