20 results
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... are visible, the pattern ... the nodules are diffuse ... #Nodular #Pattern ... #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
interstitial lung disease ... four patterns: ... the most common pattern ... The cystic pattern ... #Differential #RadiologyAssistant
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 ... Emphysema #SignetRing #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
in the nodular pattern ... distribution In certain diseases ... #NodularPattern ... #Nodular #Pattern ... Comparison #Diagram #RadiologyAssistant
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 ... CTChest #Nodular #Pattern ... #NodularPattern ... Comparison #Table #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
the most common diseases ... Chronic diseases ... to look at the pattern ... more than one pattern ... Differential #Table #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
not represent 'diseases ... specific patterns ... morphologic findings on HRCT ... realise, that these patterns ... ILD #Findings #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... result of air space disease ... interstitial lung disease ... in ground glass pattern ... #Differential #RadiologyAssistant
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
with ground glass pattern ... thromboembolic disease ... are confluent, HRCT ... shows diffuse ground ... HypersenstitivityPneumonitis #RadiologyAssistant
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 ... AcuteInterstitialPneumonia #ILD #RadiologyAssistant