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Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
Figure 3 HRCT-LUS ... #Clinical #Diagnosis ... #HRCT #POCUS #Lung ... #Correlation #Table ... #ILD #Findings
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... bronchiolitis (RB-ILD ... edema #Diagnosis ... #Radiology #Pulmonary ... #HRCT #ChestCT
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... nodular, high and low ... attenuation (table ... #Diagnosis #Radiology ... #Pulmonary #CXR
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... morphologic findings on HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Organizing Pneumonia - Clinical ... Rare: pleural effusions ... , pleural thickening ... , cavities • HRCT ... #ILD #diagnosis
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
consolidation) low ... additional findings (pleural ... bronchiectasis) #Diagnosis ... #Radiology #Pulmonary ... Interpretation #Algorithm #ILD
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
week of a known clinical ... fully explained by pleural ... lobar collapse, lung ... Definition #Criteria #Diagnosis ... #CriticalCare
Incidental Finding of Oleothorax - A chest radiograph showed a dense opacity in the upper area
abnormality includes an old ... treatment for pulmonary ... of oil into the pleural ... #Clinical #PCC # ... Radiology #CXR #
On the left a typical case of panlobular emphysema.
There is uniform destruction of the underlying architecture
of abnormally low ... Pulmonary vessels ... the other hand, mild ... difficult to detect on HRCT ... #Clinical #Radiology
Risk factors
Defining high- or low-risk is currently more difficult than it was in the old guideline.
Previously
it was in the old ... smoking, history of lung ... characteristics alone (See Table ... #Diagnosis #Epidemiology ... #Radiology #Pulmonary