11 results
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Dyspnea (underlying lung ... ) • Abnormal CXR ... refer + order CT ... disease #Chronic ... Diagnosis #Algorithm #causes
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
CAN YOU SEE ON CT ... segment or lobe of lung ... involving both lungs ... Obstruction 6) Rheumatologic ... /Autoimmune diseae
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
IgG4-Related Disease ... biliary, renal, lung ... concentration PET-CT ... management #phenotypes #workup ... #treatment #rheumatology
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
inflammation causes ... Most Common Causes ... in the adjacent lung ... of the affected lung ... high-resolution chest CT
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
pneumonia • Chronic ... Blood cultures • CXR ... ) • CXR upright ... seen • Chest CT ... #differential #causes
Progressive Massive Fibrosis on Chest X-Ray
In a construction worker presenting with shortness of breath.
Progressive Massive Fibrosis
a construction worker ... Fibrosis is a chronic ... interstitial lung ... pneumoconiosis which is caused ... #Chest #XRay #CXR
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
lung disease ... • Bronchiectasis ... lymphocytic interstitial lung ... Chest CT: • Ground-glass ... DDX - Other causes
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
lung disease ... status NTM Cause ... encounters due to NTM: Chronic ... Centrilobular nodules - Bronchiectasis ... Imaging, high res CT
Broncholithiasis - Differential Diagnosis Framework

 • Also known as: Lung stones, pulmoliths, pneumoliths, bronchial calculi
 •
Also known as: Lung ... • Nonspecific chronic ... pneumonia, • Bronchiectasis ... bronchus • Chest CT ... Tracheobronchial Diseases
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
, this list is long ... normal/high - Chronic ... about secondary causes ... can drive this disease ... As with many disease