13 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
Progression: • Upper lobe ... pneumothorax, bronchiectasis ... Tuberculosis Diagnosis ... Active TB: • ... #Diagnosis #Management
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Progression: • Upper lobe ... pneumothorax, bronchiectasis ... Tuberculosis Diagnosis ... Active TB: • ... #Diagnosis #Management
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Connective tissue diseases ... • Infection: TB ... , in advanced disease ... parenchyma Diagnosis ... #diagnosis
Hemoptysis - Differential Diagnosis Framework
Airways: 
 • Bronchitis
 • Bronchiectasis
 • Malignancy: Primary bronchogenic CA, Endobronchial
- Differential Diagnosis ... Bronchitis • Bronchiectasis ... • Infection: TB ... syndrome • Valvular Disease ... #pulmonary #causes
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
Bronchiectasis - ... involving a segment or lobe ... Infection (Bacterial, TB ... Rheumatologic/Autoimmune diseae ... #pulmonary #diagnosis
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
Testing LATENT TB ... • LTBI is diagnosed ... IGRA/QuantiFERON-TB ... intermediate risk of disease ... used to exclude pulmonary
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
Pott's Disease in ... extrapulmonary cases ... signs/symptoms of active ... pulmonary TB PE ... for concomitant pulmonary
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
- Differential Diagnosis ... in 24h Airway disease ... • Bronchitis, Bronchiectasis ... Infection: Bacterial (TB ... #pulmonary #causes
Blastomycosis (Blastomyces): Gilchrist’s disease, Chicago disease - Summary Sheet
 • Morphology
 • Geography, Reservoir and Mode
- Sporadic cases ... presentation of TB ... with an upper lobe ... blastomycosis • Diagnosis ... #Blastomyces #diagnosis
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
- Differential Diagnosis ... - Dyspnea at rest ... the right middle lobe ... hemorrhage, and seizure activity ... #differential #diagnosis