16 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
characteristic features Clinical ... Active TB: • ... and Culture • CXR ... : Active TB: • ... #Treatment #ActiveTB
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
characteristic features Clinical ... Active TB: • ... and Culture • CXR ... : Active TB: • ... #Treatment #ActiveTB
Tuberculin Skin Test Interpretation - Threshold for treatment
Induration cutoff >5mm:
 • Recent exposure to an individual
Threshold for treatment ... individual with active ... CXR consistent ... Underweight • Injection ... SkinTest #TST #diagnosis
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... lesions than the chest ... can suggest the diagnosis ... #Clinical #Radiology ... #CXR #CTChest #
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... Lung Abscess - Clinical ... CT Lung Abscess ... westermani • Other: TB
Sand Storm Sign on Chest CT
 • Diffusely dense pulmonary micronodular calcifications. Note the black pleural
on Chest CT • Diffusely ... arrow) • DDx: PAM ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern - Chest ... throughout the lungs ... Differential Diagnosis ... #CXR #clinical ... #CT
Galaxy Sign on Chest CT
 • Coalescent granuloma with a central dense mass and tiny peripheral
Galaxy Sign on Chest ... massive fibrosis, active ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Hemothorax after Thoracentesis - Unfortunately, hemothorax developed shortly after the procedure (Panel B). Computed tomography and
arteries, which had ... embolization (Panel D) #Clinical ... #Radiology #Hemothorax ... #CXR #CT #Angiogram ... Thoracentesis #NEJM
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Loss of weight • Chest ... : TB, NTM, PNA ... Nasal polyps and signs ... CT) • Broncho-arterial ... mycobacteria Treatment