10 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... there are four patterns ... low attenuation (table ... pattern can be ... #Pattern #Differential
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
pattern or a cystic ... pattern. ... pattern. ... #Clinical #Radiology ... CTChest #Cystic #Interstitial
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... LCH: multiple round ... #Clinical #Radiology ... LowAttenuation #Cystic #Pattern ... #Comparison #Table
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... histiocytosis (LCH ... #Clinical #Radiology ... LowAttenuation #Cystic #Pattern ... #Comparison #Table
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
High Attenuation pattern ... Non specific interstitial ... #Clinical #Radiology ... HighAttenuation #Pattern ... #Comparison #Table
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... peribronchovascular interstitium ... #Clinical #Radiology ... #Pattern #Comparison ... #Table #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... #Clinical #Diagnosis ... CTChest #Nodular #Pattern ... NodularPattern #Differential ... #Comparison #Table
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
cells results in a pattern ... of reticular opacities ... has a limited differential ... diagnosis (Table ... SeptalThickening #Differential
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
chest film is a reticular ... patern and that's ... recognized that this pattern ... #Clinical #Radiology ... #CXR #CTChest #LCH
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
function tests algorithm ... evaluation of the pattern ... normalised ratio; LDH ... LFTs #Abnormal #Algorithm ... Liver #Enzymes #Differential