10 results
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... low attenuation areas ... #Clinical #Radiology ... #Pattern #Comparison ... #Table #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... low attenuation areas ... #Clinical #Radiology ... #Pattern #Comparison ... #Table #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
low attenuation (table ... The cystic pattern ... When the cysts have ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... consolidation - Multifocal ... ill-defined consolidations ... #CXR #Consolidation ... #Patterns #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
diagnosis The table ... to look at the pattern ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #RadiologyAssistant
Whenever you see an area of increased density within the lung, it must be the result
lobar, diffuse or multifocal ... ill-defined opacities ... #Diagnosis #Radiology ... #CXR #Consolidation ... #Patterns #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... before the typical cysts ... Clinical #Diagnosis #Radiology ... Differential #Comparison #Table ... #RadiologyAssistant
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
film of a 19 year old ... is a reticular patern ... #Clinical #Radiology ... #CXR #CTChest # ... #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 ... attenuation (emphysema, cystic ... bronchiectasis) #Diagnosis #Radiology ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
Wegener's granulomatosis
Wegener's is a collagen vascular disease with vasculitis involving the lung, kidney and sinuses.
In the
areas of consolidation ... #Clinical #Radiology ... #CXR #GPA #Wegeners ... Granulomatosis #Multifocal ... #Nodules #RadiologyAssistant