12 results
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
and Culture • CXR ... Tuberculosis Treatment ... Initiating Treatment ... • Check CXR and ... Diagnosis #Management #Treatment
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
and Culture • CXR ... Tuberculosis Treatment ... Initiating Treatment ... • Check CXR and ... Diagnosis #Management #Treatment
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... failure, COPD, Lung ... +/- High res CT ... Fungal, AFB), TB ... Diseases Fellows
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... ) • CXR upright ... seen • Chest CT ... westermani • Other: TB ... #Abscess #pulmonary
Tuberculin Skin Test Interpretation - Threshold for treatment
Induration cutoff >5mm:
 • Recent exposure to an individual
Threshold for treatment ... • Abnormal CXR ... consistent with old TB ... disease • HIV ... carcinoma of head/neck/lung
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
: TB, NTM, PNA ... in the adjacent lung ... of the affected lung ... high-resolution chest CT ... mycobacteria Treatment
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... hematogenous spread of a disease ... differential #diagnosis #pulmonary ... #CXR #clinical ... #CT
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Illnesses: • Pulmonary ... Kansasii: • Mimics TB ... complicate MAC pulmonary ... infiltrates NTM Pulmonary ... 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, ... Rheumatologic/Autoimmune diseae ... Bronchiectasis #pulmonary
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Other tests: • CT ... confirm DAH, r/o infection ... sparing of the lung ... seen on chest CT ... diagnosis #management #treatment