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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
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
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... , Sarcoidosis, NSIP ... Antitripsyn Def • Cysts ... Sarcoidosis • Bronchiectasis ... #pulmonary #radiology
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 a patient with GGO as dominant pattern.
In addition there is traction bronchiectasis indicating
there is traction bronchiectasis ... fibrosis with honeycombing ... #Clinical #Radiology ... #CTChest #NSIP ... #RadiologyAssistant
The predominant finding is ground glass opacity (GGO).
There is very subtle traction bronchiectasis, indicating that the
subtle traction bronchiectasis ... distribution of UIP ... suggestive for the diagnosis ... #Clinical #Radiology ... #CTChest #NSIP
The predominant finding is ground glass opacity (GGO).
There is very subtle traction bronchiectasis, indicating that the
subtle traction bronchiectasis ... distribution of UIP ... suggestive for the diagnosis ... #Clinical #Radiology ... #CTChest #NSIP
In the images on your left you can appreciate again the spectrum of findings seen in
Notice the lack of honeycombing ... cases, excluding UIP ... as diagnosis. ... #Clinical #Radiology ... #CTChest #NSIP