9 results
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
fibrosis. ... on the CXR. ... A HRCT is needed ... attributed to chronic ... HRCT demonstrated
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 ... #Comparison #Table
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
are: Mosaic pattern ... Fibrosis and parenchymal ... The HRCT shows a ... mosaic pattern ... Clinical #Radiology #CXR
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
on HRCT Most of ... disease comes from HRCT ... On HRCT there are ... histiocytosis or honeycombing ... in many cases UIP
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... Lung cysts (LAM, LIP ... on the basis of HRCT ... LowAttenuation #Differential ... #Diagram #Comparison
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
UIP with honeycombing ... HP (right) Differential ... similar HRCT findings ... In chronic HP fibrotic ... #Comparison #Chronic
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... in ground glass pattern ... predominance: UIP ... Hypersensitivity pneumonitis ... #GroundGlass #Differential
On the left a patient who is treated with cytotoxic drugs for a hematologic malignancy.
The radiographic
bronchiectasis and subtle honeycombing ... chronic hypersensitivity ... pneumonitis and ... patients with a UIP ... disease in the differential
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 ... Diagnosis: • HRCT ... Bronchiectasis #pulmonary #differential