5 results
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
child-bearing age ... Centrilobular emphysema ... Clinical #Radiology #HRCT ... #CTChest #LowAttenuation ... Cystic #Pattern #Comparison
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
These include: - Emphysema ... on the basis of HRCT ... Radiology #Pulmonary #CTChest ... Differential #Diagram #Comparison ... #SignetRing #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Centrilobular emphysema ... child-bearing age ... Clinical #Radiology #HRCT ... #CTChest #LowAttenuation ... Cystic #Pattern #Comparison
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
child-bearing age ... Centrilobular emphysema ... Diagnosis #Radiology #CTChest ... #Differential #Comparison ... #Table #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
centrilobular emphysema ... show very similar HRCT ... Diagnosis #Radiology #CTChest ... #UIP #Comparison ... Fibrosis #Mimic #ILD #RadiologyAssistant