9 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... there are four patterns ... nodular, high and low ... attenuation (table ... The cystic pattern
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... #Nodular #Pattern ... #NodularPattern ... #Differential # ... Comparison #Table
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... are visible, the pattern ... Pulmonary #HRCT #CTChest ... #NodularPattern ... #Nodular #Pattern
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation ... pattern 1. ... Radiology #HRCT #CTChest ... LowAttenuation #Cystic #Pattern ... #Comparison #Table
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... diseases with a low ... attenuation pattern ... LowAttenuation #Differential ... #Diagram #Comparison
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation ... pattern (2) 1. ... Radiology #HRCT #CTChest ... LowAttenuation #Cystic #Pattern ... #Comparison #Table
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
: Subacute • Pattern ... : Subacute • Pattern ... or subacute • Pattern ... • Pattern: Proximal ... #rheumatology #table
Personality Disorders - Differential Diagnosis Algorithm
• Enduring pattern of experience and behaviour that deviates from cultural
• Enduring pattern ... control • The pattern ... situations • The pattern ... functioning • The pattern ... adolescence • The pattern
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Diagnosis Algorithm ... involvement, irregular pattern ... B-Cell ~90% • Low ... Lymphoproliferative #Disorders #Classification ... #algorithm