7 results
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Honeycombing 4. ... Clinical #Radiology #HRCT ... #CTChest #LowAttenuation ... #Comparison #Table ... #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
on the basis of HRCT ... Diagnosis #Radiology #Pulmonary ... #CTChest #LowAttenuation ... #Differential # ... Diagram #Comparison
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
cysts; smoking history ... Honeycombing. 4. ... Clinical #Radiology #HRCT ... #Comparison #Table ... #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
low attenuation (table ... histiocytosis or honeycombing ... Diagnosis #Radiology #Pulmonary ... #Pattern #Differential ... #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
Non specific interstitial ... bronchiectasis, no honeycombing ... Clinical #Radiology #HRCT ... #Comparison #Table ... #RadiologyAssistant
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... Cardiogenic pulmonary ... peribronchovascular interstitium ... #Comparison #Table ... #RadiologyAssistant
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
cells results in a pattern ... diagnosis (Table ... pulmonary edema ... #HRCT #CTChest ... #RadiologyAssistant