13 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Hypersensitivity pneumonitis: ill ... Clinical #Radiology #HRCT ... #CTChest #Nodular ... #Table #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... on HRCT Most of ... low attenuation (table ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... in ground glass pattern ... bronchiolitis #Diagnosis ... Radiology #Pulmonary #CTChest ... #Differential #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... morphologic findings on HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Findings #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... #Clinical #Diagnosis ... Radiology #Pulmonary #CTChest ... Differential #Comparison #Table ... #RadiologyAssistant
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
the dominant HR-pattern ... bronchiectasis) #Diagnosis ... #CTChest #Interpretation ... #Algorithm #ILD ... #RadiologyAssistant
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
with ground glass pattern ... The differential diagnosis ... are confluent, HRCT ... Clinical #Radiology #CTChest ... #GGO #MosaicAttenuation
Alveolar proteinosis is a rare disease characterized by filling of the alveolar spaces with PAS positive
The diagnosis is ... the suggestive HRCT ... pattern (crazy ... Clinical #Radiology #CTChest ... #CrazyPaving #RadiologyAssistant
In the images on your left you can appreciate again the spectrum of findings seen in
fine reticular pattern ... excluding UIP as diagnosis ... Clinical #Radiology #CTChest ... NonspecificInterstitialPneumonia #ILD ... #RadiologyAssistant
On the left a smoker with RB-ILD with subtle HRCT-findings.
The dominant pattern is ground glass opacification.
Additional
with subtle HRCT-findings ... The dominant pattern ... broad differential diagnosis ... Clinical #Radiology #CTChest ... #RadiologyAssistant