14 results
Approach to the diagnosis of chronic hypersensitivity pneumonitis. 
*Consider additional test: bronchoscopy with bronchoalveolar lavage, transbronchial
Approach to the diagnosis ... additional test: bronchoscopy ... hypersensitivity pneumonitis; HRCT ... tomography; UIP = usual interstitial ... #pneumonitis #pulmonary
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... low attenuation (table ... seen and in many cases ... #Diagnosis #Radiology ... #Pulmonary #CXR
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... listed in the table ... morphologic findings on HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... - Differential Diagnosis ... Artery Disease • Stable ... Interstitium ... #Algorithm #Causes
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
- Differential Diagnosis ... Infarction • Stable ... • Myocarditis Pulmonary ... Herpes Simplex Virus ... #Differential #Diagnosis
The distribution of nodules shown on HRCT is the most important factor in making an accurate
nodules shown on HRCT ... making an accurate diagnosis ... In most cases small ... peribronchovascular interstitium ... #Pulmonary #HRCT
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic inflammation causes ... Most Common Causes ... parenchyma Diagnosis ... : • HRCT (high-resolution ... obstructive • Bronchoscopy
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... , cavities • HRCT ... Organizing Pneumonia - Diagnosis ... Pneumonia #COP #BOOP #pulmonary ... #ILD #diagnosis
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
limited differential diagnosis ... (Table). ... pulmonary edema ... #Diagnosis #Radiology ... #Pulmonary #HRCT
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
(e.g., chronic interstitial ... pneumonitis Diagnosis ... Exclude other causes ... confirmatory findings on HRCT ... #diagnosis #management