15 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
cysts (LAM, LIP ... on the basis of HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Differential #Diagram #Comparison
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... patterns: reticular, nodular ... On a Chest X-Ray ... in many cases UIP ... #Diagnosis #Radiology
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... or interstitial lung ... bronchiolitis #Diagnosis ... #Radiology #Pulmonary ... #CTChest #GGO #
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
) Differential diagnosis ... show very similar HRCT ... throughout the whole lung ... #Radiology #CTChest ... #UIP #Comparison
Progressive Massive Fibrosis aka Complicated Silicosis.
Silicosis is a fibrotic lung disease caused by inhalation of crystalline
lung disease caused ... coalescence of the nodules ... Calcification (seen in CT ... Silicosis #clinical #radiology ... #CXR #Chest #XRay
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
pattern of pulmonary fibrosis ... On a chest X-ray ... A HRCT is needed ... to confirm the diagnosis ... #Clinical #Radiology
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
combinations of fibrosis ... morphologic findings on HRCT ... findings of NSIP, UIP ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Galaxy Sign on Chest CT
 • Coalescent granuloma with a central dense mass and tiny peripheral
CT • Coalescent ... peripheral satellite nodules ... progressive massive fibrosis ... #Lung #Pulmonary ... #diagnosis #radiology
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
can heal and end up ... the surrounding lung ... with end-stage fibrosis ... #Radiology #CTChest ... Cyst #Emphysema #Comparison
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
centrilobular nodules ... in the adjacent lung ... of the affected lung ... : • HRCT (high-resolution ... chest CT) • Broncho-arterial