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The case on the left shows subpleural honeycomb cysts in several contiguous layers.
There is also a
subpleural honeycomb cysts ... #Clinical #Radiology ... #CTChest #UIP # ... #Honeycombing # ... RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Emphysema - Lung cysts ... histiocytosis) - Bronchiectasis ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... TractionBronchiectasis #Cysts
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: round cysts, evenly ... bronchiectasis: ... #Clinical #Diagnosis ... #Radiology #CTChest ... #Cystic #Cysts
HRCT findings in UIP
Honeycombing consisting of multilayered thick-walled cysts.
Architectural distortion with traction bronchiectasis due to fibrosis.
Predominance
Honeycombing consisting ... multilayered thick-walled cysts ... with traction bronchiectasis ... lymphadenopathy #Clinical ... #Radiology #CTChest
On the left another case of UIP.
The lower zone predominance is demonstrated when you scroll through
#Clinical #Radiology ... #CTChest #UIP # ... UsualInterstitialPneumonia ... #Honeycombing # ... RadiologyAssistant
Honeycombing represents the second reticular pattern recognizable on HRCT.
Because of the cystic appearance, honeycombing is also
Because of the cystic ... #Clinical #Radiology ... #CTChest #Honeycombing ... #UIP #UsualInterstitialPneumonia ... #RadiologyAssistant
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
preference at the lung bases ... and traction bronchiectasis ... #Clinical #Radiology ... #CXR #UIP #CTChest ... TractionBronchiectasis #RadiologyAssistant
On the left two cases of NSIP.
Note the varying combination of GGO and fibrosis (traction bronchiectasis),
On the left two cases ... fibrosis (traction bronchiectasis ... but the lack of honeycombing ... #Clinical #Radiology ... #CTChest #NSIP
On the left a chest film of a patient with UIP due to IPF.
The findings on
appearance of honeycombing ... reticular densities caused ... thick walls of the cysts ... #Clinical #Radiology ... #Interstitial #Pneumonitis
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
When the cysts have ... histiocytosis or honeycombing ... seen and in many cases ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant