13 results
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... the nodules are diffuse ... Radiology #Pulmonary #HRCT ... #CTChest #NodularPattern
The distribution of nodules shown on HRCT is the most important factor in making an accurate
nodules shown on HRCT ... in the nodular pattern ... distribution In certain diseases ... #NodularPattern ... #Nodular #Pattern
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... Honeycombing Most diseases ... low attenuation pattern ... on the basis of HRCT ... Radiology #Pulmonary #CTChest
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
interstitial lung disease ... comes from HRCT ... On HRCT there are ... interstitial lung disease ... in many cases UIP
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
the left some diseases ... with a nodular pattern ... Miliary TB: random ... Radiology #Pulmonary #CTChest ... #NodularPattern
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... space disease ( ... interstitial lung disease ... in ground glass pattern ... Radiology #Pulmonary #CTChest
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
idiopathic lung disease ... The histologic pattern ... aswell as the HRCT ... are diffuse or ... Clinical #Radiology #CTChest
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
specific patterns ... morphologic findings on HRCT ... realise, that these patterns ... , OP and LIP have ... Radiology #Pulmonary #CTChest
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 ... perilymphatic or random ... #CTChest #Interpretation ... #Algorithm #ILD
On the left a patient with DIP.
The HRCT shows diffuse areas of ground-glass density in the
a patient with DIP ... The HRCT shows diffuse ... and some mosaic pattern ... Clinical #Radiology #CTChest ... #DIP #DesquamativeInterstitialPneumonia