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On the left another typical case of sarcoidosis.
In addition to the perilymphatic nodules, there are multiple
nodes, which is also ... fibrosis, which is also ... Clinical #Radiology #CTChest ... Peribronchovascular #Nodular #RadiologyAssistant
On the left a case of chronic eosinophilic pneumonia.
It was a patient with low-grade fever, progressive
and an abnormal chest ... respond promptly to treatment ... Clinical #Radiology #CTChest ... EosinophilicPneumonia #RadiologyAssistant
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
They also occur ... Pulmonary #HRCT #CTChest ... #Differential #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
consolidation as ... Radiology #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
lobes presenting as ... Radiology #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
usually present as ... lesions than the chest ... The chest film shows ... Radiology #CXR #CTChest ... SepticEmboli #Cavity #RadiologyAssistant
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
Even fibrosis as ... Radiology #Pulmonary #CTChest ... #Differential #RadiologyAssistant
On the left a patient who complained of arthritic pain.

There are multiple small bilateral peripheral consolidations.
The
patient are not as ... specific as in ... , but this was also ... Clinical #Radiology #CTChest ... Pneumonia #ILD #RadiologyAssistant
Mucoid impaction
Mucus plugs or mucoid impaction can mimick the appearance of lung nodules or a mass.
Sometimes
bronchiectasis, as ... It is also seen ... Radiology #CXR #CTChest ... Mucus #Plugging #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pleural nodules and also ... Pulmonary #HRCT #CTChest ... Differential #Algorithm #RadiologyAssistant