8 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
- Lung cysts (LAM ... cell histiocytosis ... ) - Bronchiectasis ... #Diagnosis #Radiology ... TractionBronchiectasis #Cysts
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Cystic LCH: - LAM ... #Radiology #CTChest ... #Cystic #Cysts ... #Differential #Comparison
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Centrilobular emphysema ... multiple thick walled cysts ... ): regular cysts ... #Clinical #Radiology ... #Pattern #Comparison
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... The cystic pattern ... When the cysts have ... or honeycombing ... #Diagnosis #Radiology
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
them from cysts ... #Radiology #CTChest ... #Cavity #Cyst # ... Emphysema #Comparison ... #RadiologyAssistant
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Patterns - Differential ... Attenuation: • Emphysema ... Antitripsyn Def • Cysts ... Differential #Diagnosis ... #pulmonary #radiology
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
cysts. ... diagnosis in this ... #Clinical #Radiology ... #CXR #CTChest # ... #Cystic #RadiologyAssistant
Differential diagnosis of Lymphangiomyomatosis:
Langerhans cell histiocytosis: > 90% are smokers, cysts have irregular shapes and the
Differential diagnosis ... 90% are smokers, cysts ... Centrilobular emphysema ... #Clinical #Radiology ... #LAM #Cystic #RadiologyAssistant