9 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... four patterns: ... reticular, nodular ... #Diagnosis #Radiology ... #Pulmonary #CXR
The distribution of nodules shown on HRCT is the most important factor in making an accurate
pattern. ... structures of the lung ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #Pattern #Distribution
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... are visible, the pattern ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #Pattern #MultipleNodules
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... lung disease (i.e ... in ground glass pattern ... bronchiolitis #Diagnosis ... #Radiology #Pulmonary
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
is a histologic pattern ... of pulmonary fibrosis ... On a chest X-ray ... to confirm the diagnosis ... #Clinical #Radiology
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Patterns - Differential ... Lymphangitic Carcinoma, Interstitial ... Low Attenuation Nodular ... #CT #Patterns # ... #pulmonary #radiology
Tree-in-Bud Sign on Chest CT
 • Multiple centrilobular nodules arranged in a linear branching pattern.
 •
Tree-in-Bud Sign on Chest ... CT • Multiple centrilobular ... nodules arranged ... linear branching pattern ... #Pulmonary #diagnosis
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
cells results in a pattern ... Kerley B lines on chest ... Nodular or irregular ... #Diagnosis #Radiology ... #Pulmonary #HRCT
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
pneumonia • formerly BOOP ... consolidation and GG pattern ... , cavities • HRCT ... Pneumonia #COP #BOOP ... #pulmonary #ILD