12 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... #Diagnosis #Radiology ... Pulmonary #CTChest #LowAttenuation ... #Differential # ... Emphysema #SignetRing #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 #LowAttenuation ... #Comparison #Table ... #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
low attenuation areas ... #Clinical #Radiology ... HRCT #CTChest #LowAttenuation ... #Comparison #Table ... #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... low attenuation (table ... #Diagnosis #Radiology ... RadiologyAssistant
Lung abnormalities mostly present as areas of increased density, which can be divided into the following
Lung abnormalities ... the following patterns ... Diagnosis #Pathophys #Radiology ... #CXR #Lung #Patterns ... #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
The table summarizes ... to look at the pattern ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Table #RadiologyAssistant
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
terms to describe areas ... visible wall #CXR ... #Lucency #Differential ... #Table #CavitaryLesion ... Pulmonary #Diagnosis #Radiology
When a rib fracture heals, the callus formation may create a mass-like appearance (blue arrow).
Sometimes a
formation may create ... is necessary to differentiate ... #Clinical #Radiology ... #CXR #Old #RibFracture ... #Pseudotumor #RadiologyAssistant
Cystic lung disease
Lung cysts are defined as radiolucent areas with a wall thickness of less than
as radiolucent areas ... listed in the table ... #Diagnosis #Radiology ... CysticLungDisease #Differential ... #RadiologyAssistant
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
scan: the mosaic pattern ... mid and lower lung ... included in the differential ... #Clinical #Radiology ... HypersensitivityPneumonitis #Fibrosis #RadiologyAssistant