16 results
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... Pulmonary Disease ... • Dyspnea, • Chest ... Lung Disease: ... Imaging, high res CT
Rapidly Growing Mycobacterial Infections

 • Mycobacterium abscessus - Is the most pathogenic and the most likely
pulmonary infection ... with underlying lung ... It can also cause ... #differential #infectiousdiseases ... #NTM
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 ... Bacterial, TB, NTM ... Rheumatologic/Autoimmune diseae ... Bronchiectasis #pulmonary
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Loss of weight • Chest ... Infection: TB, NTM ... in the adjacent lung ... of the affected lung ... CT) • Broncho-arterial
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
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... : Pleuritic chest ... level seen • Chest ... CT Lung Abscess ... #Abscess #pulmonary
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
M.tuberculosis, NTM ... failure, COPD, Lung ... CXR +/- High res CT ... chest scan), CBC ... Infectious Diseases
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
life-threatening diseases ... Other tests: • CT ... chest to evaluate ... sparing of the lung ... CT
Pulmonary Nodule
Evaluation is guided by nodule size & assessment of probability of malignancy. In addition is
masses & should ... with a repeat chest ... disease and coronary ... artery disease; ... nodule growth with chest
Lung Infections in HIV - Differential Diagnosis Framework

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