19 results
Rapidly Growing Mycobacterial Infections

 • Mycobacterium abscessus - Is the most pathogenic and the most likely
most likely to cause ... pulmonary infection ... with underlying lung ... disease. 15% mortality ... infectiousdiseases #NTM
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... : Chronic lung infections ... Pulmonary Disease ... Lung Disease: ... Imaging, high res CT
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
CAN YOU SEE ON CT ... Immunodeficiency 3) Infection ... Bacterial, TB, NTM ... Rheumatologic/Autoimmune diseae ... Bronchiectasis #pulmonary
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... hematogenous spread of a disease ... Tuberculosis, NTB ... differential #diagnosis #pulmonary ... CXR #clinical #CT
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... M.tuberculosis, NTM ... failure, COPD, Lung ... CXR +/- High res CT ... Diseases Fellows
Nontuberculous mycobacteria
Nontuberculous mycobacteria, also known as atypical mycobacteria, are all the other mycobacteria which can cause
mycobacteria which can cause ... pulmonary disease ... upper lobes due to infection ... #Clinical #Radiology ... #Mycobacteria #NTM
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
: TB, NTM, PNA ... , in advanced disease ... in the adjacent lung ... of the affected lung ... high-resolution chest CT
Right-Sided Heart Failure - Differential Diagnosis Algorithm
Cardiac Causes - Rule out Left-Sided Heart Failure (Most Common):
Disease • ... Diffuse Lung Disease ... • Chronic Lung ... Infection ... #HeartFailure #Cardiology
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
appearances of pulmonary ... complex • Nodular/Masses ... Actinomyces spp., NHL; Lung ... tuberculosis Infectious ... diagnosis #chestCT #radiology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... • Most common cause ... seen • Chest CT ... #Abscess #pulmonary ... #differential #causes