12 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
there are four patterns ... The cystic pattern ... seen and in many cases ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
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
ST segment elevation in acute myocardial ischemia

ST segment elevations with straight (horizontal, upsloping or downsloping) or
less likely to be caused ... the underlying cause ... #Diagnosis #Cardiology ... #ECG #EKG #STEMI ... STElevation #Ischemic #Patterns
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
with a reticular pattern ... or a cystic pattern ... or a reticular pattern ... #Clinical #Radiology ... LangerhansCellHistiocytosis #LCH #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... have specific patterns ... realise, that these patterns ... #Diagnosis #Radiology ... ILD #Findings #RadiologyAssistant
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
is a reticular patern ... recognized that this pattern ... was caused by multiple ... cysts. ... #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
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Early-repolarization pattern ... leads • S1Q3T3 pattern ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
pneumonitis (2) The case ... scan: the mosaic pattern ... with a mozaic pattern ... #Clinical #Radiology ... HypersensitivityPneumonitis #Fibrosis #RadiologyAssistant