5 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
These include: - Emphysema ... Honeycombing Most diseases ... on the basis of HRCT ... LowAttenuation #Differential ... TractionBronchiectasis #Cysts #Emphysema
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... Smoking related diseases ... (centrilobular emphysema ... Radiology #Pulmonary #HRCT ... #ChestCT #Differential
Causes of Dyspnea - Differential Diagnosis Algorithm
Cardiac:
 • Dysrhythmia
 • Ischemia
 • Cardiomyopathy
 • Valvular disease
Causes of Dyspnea - Differential ... Diagnosis Algorithm ... Atelectasis • Emphysema ... • Interstitial lung ... #Diagnosis #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 ... low attenuation (emphysema ... cystic) Where is it located ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
chronic HP (right) Differential ... centrilobular emphysema ... show very similar HRCT ... throughout the whole lung ... Fibrosis #Mimic #ILD #RadiologyAssistant