15 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... on HRCT Most of ... disease comes from HRCT ... On HRCT there are ... #Differential #
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
The CXR demonstrates ... reticular interstitial pattern ... The HRCT demonstrates ... Clinical #Radiology #CXR ... #Interstitial #Pattern
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... histiocytosis) - Bronchiectasis ... low attenuation pattern ... on the basis of HRCT ... LowAttenuation #Differential
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
Figure 3 HRCT-LUS ... opacities and traction bronchiectasis ... artifact); (G) UIP pattern ... Clinical #Diagnosis #HRCT ... Correlation #Table #ILD
Ground-glass opacity is nonspecific, but highly significant finding since 60-80% of patients with ground-glass opacity on
ground-glass opacity on HRCT ... the ground-glass pattern ... usually associated HRCT ... two cases with GGO ... #GroundGlass #GGO
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
interpretation of HRCT ... the dominant HR-pattern ... Radiology #Pulmonary #HRCT ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
Ground-glass opacity (GGO ... resolution of the HRCT ... in ground glass pattern ... Pulmonary #CTChest #GGO ... #GroundGlass #Differential
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... are visible, the pattern ... Radiology #Pulmonary #HRCT ... MultipleNodules #Nodules #Differential
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
- Imaging: • CXR ... pattern, irregular ... , cavities • HRCT ... lower lung zone, GGO ... BOOP #pulmonary #ILD
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Bronchiectasis - ... • Bronchiectasis ... Physical stigmata of cor ... Diagnosis: • HRCT ... #pulmonary #differential