15 results
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... bronchovascular interstitium ... the nodules are diffuse ... Radiology #Pulmonary #HRCT ... #CTChest #NodularPattern
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... Centrilobular emphysema ... Notice the centrilobular ... Clinical #Radiology #HRCT ... #Pattern #Comparison
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis on HRCT ... disease comes from HRCT ... On HRCT there are ... The cystic pattern ... When the cysts have
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... (LAM): uniform cysts ... Centrilobular emphysema ... Clinical #Radiology #HRCT ... #Pattern #Comparison
The distribution of nodules shown on HRCT is the most important factor in making an accurate
nodules shown on HRCT ... in the nodular pattern ... peribronchovascular interstitium ... #NodularPattern ... #Nodular #Pattern
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... pneumonitis: ill defined centrilobular ... before the typical cysts ... CTChest #Nodular #Pattern ... #NodularPattern
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
Thickening of the interstitium ... resolution of the HRCT ... the alveoli) or interstitial ... in ground glass pattern ... , NSIP, DIP. - Centrilobular
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT Patterns ... Lymphangitic Carcinoma, Interstitial ... Pneumoconiosis • Centrilobular ... Antitripsyn Def • Cysts ... HighRes #Chest #CT #Patterns
Algorithm for Diagnosis of Diffuse Cystic Lung Disease (DCLD)
Round, smooth cysts with normal lung parenchyma in
Algorithm for Diagnosis ... of Diffuse Cystic ... parenchyma in a diffuse ... pattern not consistent ... DCLD #pulmonary #Algorithm
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 ... attenuation (emphysema, cystic ... secondary lobule (centrilobular ... Interpretation #Algorithm