10 results
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Pulmonary Disease ... Lung Disease: ... Imaging, high res CT ... #Infections #differential ... #diagnosis #infectiousdiseases
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
CAN YOU SEE ON CT ... Bacterial, TB, NTM ... Rheumatologic/Autoimmune diseae ... Bronchiectasis #pulmonary ... #diagnosis #differential
Rapidly Growing Mycobacterial Infections

 • Mycobacterium abscessus - Is the most pathogenic and the most likely
likely to cause pulmonary ... with underlying lung ... Mycobacterium #diagnosis #differential ... #infectiousdiseases ... #NTM
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... hematogenous spread of a disease ... #diagnosis #pulmonary ... #CXR #clinical ... #CT
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Blood cultures • CXR ... ) • CXR upright ... seen • Chest CT ... #Abscess #pulmonary ... #differential #
Incidental Finding of Oleothorax - A chest radiograph showed a dense opacity in the upper area
area of the left lung ... The differential ... treatment for pulmonary ... PCC #Radiology #CXR ... #Oleothorax #NEJM
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
M.tuberculosis, NTM ... failure, COPD, Lung ... +/- High res CT ... Infectious Diseases ... diagnosis #evaluation #differential
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Infection: TB, NTM ... in the adjacent lung ... of the affected lung ... high-resolution chest CT ... #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 ... Infections #HIV #AIDS #pulmonary ... diagnosis #infectiousdiseases
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
- Overview and Differential ... , verrucous) - Lung ... , Pancreas, Gastric ... Cerebral > Splenic, Pulmonary ... Diagnosis #cardiology #infectiousdiseases