8 results
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
bronchiolitis (RB-ILD ... Hypersensitivity pneumonitis ... #HRCT #ChestCT ... #Differential #Table ... #Upper #Lower #RadiologyAssistant
Diagnostic algorithm for idiopathic pulmonary fibrosis, in part adapted from the ATS/ERS consensus statement. HRCT =
Diagnostic algorithm ... HRCT = high-resolution ... computerised tomography; ILD ... usual interstitial pneumonitis ... #IPF #UIP #Algorithm
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Hypersensitivity pneumonitis ... : ill defined centrilobular ... Clinical #Radiology #HRCT ... Pattern #Comparison #Table ... #RadiologyAssistant
Approach to the diagnosis of chronic hypersensitivity pneumonitis. 
*Consider additional test: bronchoscopy with bronchoalveolar lavage, transbronchial
hypersensitivity pneumonitis ... ; HRCT = high-resolution ... #pulmonary #diagnosis ... #algorithm #HP ... #ILD
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Hypersensitivity pneumonitis ... Hypersensitivity pneumonitis ... Diagnosis #Radiology #Pulmonary ... Differential #Comparison #Table ... #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
idiopathic interstitial pneumonias ... listed in the table ... morphologic findings on HRCT ... Diagnosis #Radiology #Pulmonary ... #Findings #RadiologyAssistant
On the left a smoker with RB-ILD with subtle HRCT-findings.
The dominant pattern is ground glass opacification.
Additional
with subtle HRCT-findings ... interpretion of the HRCT ... probably would be pulmonary ... hypersensitivity pneumonitis ... #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 ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest ... Interpretation #Algorithm ... #ILD #RadiologyAssistant