45 results
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... bronchiolitis (RB-ILD ... is seen in: - UIP ... Radiology #Pulmonary #HRCT ... #Upper #Lower #RadiologyAssistant
Diagnostic algorithm for idiopathic pulmonary fibrosis, in part adapted from the ATS/ERS consensus statement. HRCT =
HRCT = high-resolution ... computerised tomography; ILD ... = interstitial lung ... pulmonary fibrosis; UIP ... pneumonitis #IPF #UIP
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
- Emphysema - Lung ... cysts (LAM, LIP ... on the basis of HRCT ... Differential #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
smokers, upper lobe ... show very similar HRCT ... throughout the whole lung ... #Comparison #Chronic ... #RadiologyAssistant
Approach to the diagnosis of chronic hypersensitivity pneumonitis. 
*Consider additional test: bronchoscopy with bronchoalveolar lavage, transbronchial
transbronchial lung ... transbronchial lung ... hypersensitivity pneumonitis; HRCT ... computed tomography; UIP ... algorithm #HP #ILD
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
responses of the lung ... morphologic findings on HRCT ... findings of NSIP, UIP ... IdiopathicInterstitialPneumonia #ILD ... #Findings #RadiologyAssistant
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
Figure 3 HRCT-LUS ... correlation in normal lung ... artifact); (G) UIP ... Clinical #Diagnosis #HRCT ... #Table #ILD #Findings
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Hypersensitivity pneumonitis: ill ... Clinical #Radiology #HRCT ... Nodular #Pattern #Comparison ... #Table #RadiologyAssistant
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
disease-associated interstitial lung ... diseases LIP ... AIP: acute interstitial ... ConnectiveTissueDiseases #ILD ... #Differential #Comparison
HRCT findings in UIP
Honeycombing consisting of multilayered thick-walled cysts.
Architectural distortion with traction bronchiectasis due to fibrosis.
Predominance
HRCT findings in ... UIP Honeycombing ... Radiology #CTChest #UIP ... #Pneumonitis #ILD ... #RadiologyAssistant