9 results
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
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... on a chest x-ray ... mass - Solitary Pulmonary ... Nodule - Multiple Masses ... Atelectasis #Diagnosis
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
- Differential Diagnosis ... Artery Disease • Stable ... Interstitium ... • ILD • CHF ... #Algorithm #Causes
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
cells results in a pattern ... (Table). ... pulmonary edema ... #Pulmonary #HRCT ... #CTChest #Reticular
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
of pulmonary fibrosis ... On a chest X-ray ... A HRCT is needed ... to confirm the diagnosis ... UIP #Reticular #Interstitial
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... consolidation and GG pattern ... , cavities • HRCT ... #ILD #diagnosis ... #management
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
Acute interstitial ... The histologic pattern ... suggestive of the diagnosis ... Clinical #Radiology #CTChest ... AcuteInterstitialPneumonia #ILD
Amiodarone Induced Lung Toxicity Summary

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

How?  Possible
pneumonitis Diagnosis ... Exclude other causes ... Exclusion of other ILDs ... confirmatory findings on HRCT ... #diagnosis #management