10 results
Diagnostic algorithm for idiopathic pulmonary fibrosis, in part adapted from the ATS/ERS consensus statement. HRCT =
idiopathic pulmonary fibrosis ... HRCT = high-resolution ... ; UIP = usual interstitial ... pneumonitis ... #IPF #UIP #Algorithm
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 ... bronchiectasis due to fibrosis ... UsualInterstitialPneumonitis #Usual ... #Interstitial #Pneumonitis
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
pattern of pulmonary fibrosis ... on the CXR. ... A HRCT is needed ... attributed to chronic ... HRCT demonstrated
Approach to the diagnosis of chronic hypersensitivity pneumonitis. 
*Consider additional test: bronchoscopy with bronchoalveolar lavage, transbronchial
the diagnosis of chronic ... cHP = chronic hypersensitivity ... pneumonitis; HRCT ... computed tomography; UIP ...  = usual interstitial
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
Fibrosis and parenchymal ... The HRCT shows a ... existing irreversible fibrosis ... Clinical #Radiology #CXR ... #Fibrosis #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
UIP with honeycombing ... Hypersensitivity Pneumonitis ... similar HRCT findings ... In chronic HP fibrotic ... #Comparison #Chronic
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
specific interstitial pneumonitis ... bronchiectasis, no honeycombing ... result of massive fibrosis ... Clinical #Radiology #HRCT ... HighAttenuation #Pattern #Comparison
Honeycombing represents the second reticular pattern recognizable on HRCT.
Because of the cystic appearance, honeycombing is also
recognizable on HRCT ... composed of dense fibrous ... typical feature of usual ... interstitial pneumonia (UIP ... #UIP #UsualInterstitialPneumonia
On the left a chest film of a patient with UIP due to IPF.
The findings on
volume loss and fibrotic ... appearance of honeycombing ... Clinical #Radiology #CXR ... UsualInterstitialPneumonitis #Usual ... #Interstitial #Pneumonitis
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Hemoptysis • Coughing up ... Causes: • Cystic fibrosis ... evidence of cystic fibrosis ... Physical stigmata of cor ... Diagnosis: • HRCT