17 results
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... #Pulmonary #HRCT ... #ChestCT #Differential ... #Table #Distribution ... #Upper #Lower #RadiologyAssistant
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
with peripheral areas ... consolidation #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table ... #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
low attenuation areas ... #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table ... #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
in interstitial lung ... low attenuation (table ... On a Chest X-Ray ... detected on a chest ... #Differential #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
low attenuation areas ... #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table ... #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... morphologic findings on HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... ILD #Findings #RadiologyAssistant
This patient presented with acute dyspnoe and a normal chest film (not shown).
The HRCT at presentation
dyspnoe and a normal chest ... shows lobular areas ... A control HRCT ten ... #Clinical #Radiology ... HypersensitivityPneumonitis #Resolution #RadiologyAssistant
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
differential diagnosis (Table ... Kerley B lines on chest ... #Pulmonary #HRCT ... #CTChest #Reticular ... #Differential #RadiologyAssistant
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
On a chest X-ray ... A HRCT is needed ... HRCT demonstrated ... #Clinical #Radiology ... #Honeycombing #RadiologyAssistant
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
terms to describe areas ... lucencies within the lung ... we describe a chest ... #Differential #Table ... Pulmonary #Diagnosis #Radiology