25 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
cysts (LAM, LIP ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Differential #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
pattern of pulmonary ... fibrosis. ... to confirm the diagnosis ... #Interstitial # ... Pattern #Honeycombing
Usual Interstitial Pneumonia (UIP) pattern on Chest CT
75 M with progressive dyspnea. Typical usual interstitial pneumonia
pattern on Chest ... CT 75 M with progressive ... Reticulation - Honeycombing ... fibrosis = idiopathic ... #IPF #ChestCT #radiology
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
Non specific interstitial ... bronchiectasis, no honeycombing ... result of massive fibrosis ... #Comparison #Table ... #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
histiocytosis or honeycombing ... in many cases UIP ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #RadiologyAssistant
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
preference at the lung ... #Clinical #Radiology ... #CXR #UIP #CTChest ... #Pattern #Honeycombing ... TractionBronchiectasis #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
lung disease (i.e ... in ground glass pattern ... predominance: UIP ... bronchiolitis #Diagnosis ... #Radiology #Pulmonary
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Diagnosis Framework ... Lymphangitic Carcinoma, Interstitial ... #Diagnosis #pulmonary ... #radiology
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
combinations of fibrosis ... findings of NSIP, UIP ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... ILD #Findings #RadiologyAssistant
Honeycombing represents the second reticular pattern recognizable on HRCT.
Because of the cystic appearance, honeycombing is also
second reticular pattern ... composed of dense fibrous ... feature of usual interstitial ... #Clinical #Radiology ... #RadiologyAssistant