9 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
four patterns: ... low attenuation (table ... the most common pattern ... The cystic pattern ... When the cysts have
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... (LAM): uniform cysts ... Clinical #Radiology #HRCT ... #Pattern #Comparison ... #Table #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... (LAM): regular cysts ... Clinical #Radiology #HRCT ... #Pattern #Comparison ... #Table #RadiologyAssistant
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... before the typical cysts ... Clinical #Radiology #HRCT ... CTChest #Nodular #Pattern ... #Comparison #Table
Diastolic Function Grading - Schematic diastolic filling patterns

I: impaired relaxation, II: moderate diastolic dysfunction (pseudonormal), III:
Diastolic Function Grading ... diastolic filling patterns ... #Dysfunction #Grading ... #Classification ... Grades #Criteria #Table
Severity of Aortic Stenosis in Adults 
Current ACC/AHA guidelines recommend cut-off values for Doppler-echocardiographic measurements of
transvalvular gradient ... >50 mmHg (2) (Table ... , inconsistent grading ... A common pattern ... AorticStenosis #Classification
Algorithm for Diagnosing Diastolic Dysfunction With Doppler Echocardiography
 1. Determine the age of the patient
Algorithm for Diagnosing ... mitral inflow pattern ... pressure (LVFP): #Algorithm ... Cardiology #Diagnosis #Grading ... #Classification
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Differential Diagnosis Algorithm ... involvement, irregular pattern ... Low Grade - Slow growing ... Lymphoproliferative #Disorders #Classification ... #differential #algorithm
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
interpretation of HRCT ... the dominant HR-pattern ... attenuation (emphysema, cystic ... Radiology #Pulmonary #HRCT ... Interpretation #Algorithm