11 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Miliary TB: random ... #HRCT #CTChest ... #Nodular #Pattern ... #Comparison #Table
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... #Clinical #Radiology ... #HRCT #CTChest ... LowAttenuation #Cystic #Pattern ... #Comparison #Table
The distribution of nodules shown on HRCT is the most important factor in making an accurate
in the nodular pattern ... #Pulmonary #HRCT ... NodularPattern #Nodular #Pattern ... Perilymphatic #Comparison ... #Diagram #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular pattern ... are visible, the pattern ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #Nodular #Pattern
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... #Clinical #Radiology ... #HRCT #CTChest ... LowAttenuation #Cystic #Pattern ... #Comparison #Table
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... Miliary TB: random ... #Clinical #Diagnosis ... #Pattern #NodularPattern ... #Table #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... four patterns: ... low attenuation (table ... #Pulmonary #CXR ... #Differential #RadiologyAssistant
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
the dominant HR-pattern ... perilymphatic or random ... bronchiectasis) #Diagnosis ... #Radiology #Pulmonary ... #HRCT #CTChest
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... #Clinical #Radiology ... #HRCT #CTChest ... #Reticular #Pattern ... #Comparison #Table
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
is a histologic pattern ... of pulmonary fibrosis ... to confirm the diagnosis ... This pattern was ... #Clinical #Radiology