12 results
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Illnesses: • Pulmonary ... Classification grp IV): Pulmonary ... complicate MAC pulmonary ... infiltrates NTM Pulmonary ... Imaging, high res CT
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... failure, COPD, Lung ... • CD4 < 200: Pulmonary ... CXR +/- High res CT ... Diseases Fellows
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
CAN YOU SEE ON CT ... involving both lungs ... Immunodeficiency 3) Infection ... Rheumatologic/Autoimmune diseae ... Bronchiectasis #pulmonary
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... • Periodontal disease ... loss • Late disease ... seen • Chest CT ... #Abscess #pulmonary
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... hematogenous spread of a disease ... Opacities: • Infectious ... differential #diagnosis #pulmonary ... CXR #clinical #CT
Squamous-Cell Carcinoma of the Lung- ...Physical examination revealed decreased air entry in the base of the
Squamous-Cell Carcinoma ... of the Lung- .. ... indicated stage IV disease ... #NEJM #clinical ... #radiology #CT #
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Connective tissue diseases ... , in advanced disease ... in the adjacent lung ... of the affected lung ... high-resolution chest CT
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
life-threatening diseases ... Other tests: • CT ... confirm DAH, r/o infection ... sparing of the lung ... seen on chest CT
CT and ultrasonographic features of COVID-19 pneumonia
Lung CT:
 - Thickened pleura
 - Ground glass shadow and
CT and ultrasonographic ... CT: - Thickened ... and effusion - Pulmonary ... progress of the disease ... stage and in mild infection
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... Diagnosis Framework Disease ... angioinvasive disease ... • CT: Halo sign ... #AIDS #pulmonary