15 results
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Chronic Cough - ... ) • Abnormal CXR ... refer + order CT ... disease #Chronic ... #Algorithm #causes
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
infection • Pulmonary fibrotic ... characteristic features Clinical ... Active TB: • ... and Culture • CXR ... • Check CXR and
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 ... Infection (Bacterial, TB ... Rheumatologic/Autoimmune diseae ... Bronchiectasis #pulmonary #diagnosis
Progressive Massive Fibrosis aka Complicated Silicosis.
Silicosis is a fibrotic lung disease caused by inhalation of crystalline
lung disease caused ... With disease progression ... Calcification (seen in CT ... #Silicosis #clinical ... #radiology #CXR
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
infection • Pulmonary fibrotic ... characteristic features Clinical ... Active TB: • ... and Culture • CXR ... • Check CXR and
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
Pott's Disease in ... Clinical Signs ... signs/symptoms of active ... tissue damage - CXR ... involvement - CT
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... pneumonia • Chronic ... Lung Abscess - Clinical ... seen • Chest CT ... westermani • Other: TB
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
: • Cystic fibrosis ... • Infection: TB ... in the adjacent lung ... of the affected lung ... high-resolution chest CT
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to 8 years Clinical ... Autoimmunity • Chronic ... lung disease ... Chest CT: • Ground-glass ... DDX - Other causes
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
increased B-cell activity ... granulomas within the lungs ... renal failure Clinical ... symptoms are not caused ... e.g. incidental CXR