7 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Langerhans cell histiocytosis ... #Diagnosis #Radiology ... Pulmonary #CTChest #LowAttenuation ... #Differential # ... Emphysema #SignetRing #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Langerhans cell histiocytosis ... (LCH): multiple ... Honeycombing. 4. ... #Clinical #Radiology ... HRCT #CTChest #LowAttenuation
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Langerhans cell histiocytosis ... Cystic LCH: - LAM ... #Radiology #CTChest ... #Table #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... or honeycombing ... seen and in many cases ... #Diagnosis #Radiology ... #RadiologyAssistant
Honeycombing is defined by the presence of small cystic spaces with irregularly thickened walls composed of
Honeycombing is ... regardless of their cause ... #Diagnosis #Radiology ... #Differential # ... RadiologyAssistant
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
this pattern was caused ... diagnosis in this ... #Clinical #Radiology ... #CXR #CTChest #LCH ... #Cystic #RadiologyAssistant
Differential diagnosis of Lymphangiomyomatosis:
Langerhans cell histiocytosis: > 90% are smokers, cysts have irregular shapes and the
Differential diagnosis ... Langerhans cell histiocytosis ... 90% are smokers, cysts ... #Clinical #Radiology ... #LAM #Cystic #RadiologyAssistant