14 results
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
bronchiolitis (RB-ILD ... edema #Diagnosis ... #Radiology #Pulmonary ... #HRCT #ChestCT ... #Upper #Lower #RadiologyAssistant
Solid pulmonary nodules can represent various etiologies:
- benign granulomas
- focal scar
- intrapulmonary lymph nodes
- primary malignancies
-
Solid pulmonary ... given based on imaging ... #Diagnosis #Radiology ... #Pulmonary #Fleischner ... PulmonaryNodule #Followup #RadiologyAssistant
More than 100 entities manifest as diffuse lung disease.
Fortunately only about 10 of these account for
some of them the old ... #Diagnosis #Radiology ... #Pulmonary #SHITFACED ... #Mnemonic #HRCT ... #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... knowledge about imaging ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Differential #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
nodules, notice sparing ... bronchiolitis: ill ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... Comparison #Table #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
morphologic findings on HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD ... #Findings #RadiologyAssistant
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
interpretation of HRCT ... bronchiectasis) #Diagnosis ... #Radiology #Pulmonary ... Interpretation #Algorithm #ILD ... #RadiologyAssistant
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
, cavities • HRCT ... Organizing Pneumonia - Diagnosis ... Pneumonia #COP #BOOP #pulmonary ... #ILD #diagnosis ... #management
On the left a smoker with RB-ILD with subtle HRCT-findings.
The dominant pattern is ground glass opacification.
Additional
with subtle HRCT-findings ... broad differential diagnosis ... interpretion of the HRCT ... #Clinical #Radiology ... #RadiologyAssistant
Risk factors
Defining high- or low-risk is currently more difficult than it was in the old guideline.
Previously
it was in the old ... #Diagnosis #Epidemiology ... #Radiology #Pulmonary ... #Fleischner #Risk ... PulmonaryNodule #Nodule #RadiologyAssistant