42 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
interstitial lung disease ... there are four patterns ... low attenuation (table ... interstitial lung disease ... Diagnosis #Radiology #Pulmonary
Flow Volume Loops - Common Patterns
A. Normal
B. Emphysema
C. Unilateral Main Stem Bronchial Obstruction
D. Fixed Upper Airway
Loops - Common Patterns ... Fixed Upper Airway ... Parenchymal Lung Disease ... FlowVolume #Loops #Patterns ... #pulmonary
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
High Attenuation pattern ... massive fibrosis in upper ... HighAttenuation #Pattern ... #Comparison #Table
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
High Attenuation pattern ... perihilar and in upper ... HighAttenuation #Pattern ... #Comparison #Table
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... Honeycombing Most diseases ... low attenuation pattern ... Diagnosis #Radiology #Pulmonary ... Differential #Diagram #Comparison
Blastomycosis (Blastomyces): Gilchrist’s disease, Chicago disease - Summary Sheet
 • Morphology
 • Geography, Reservoir and Mode
- Acute pulmonary ... reticulonodular patterns ... - Chronic pulmonary ... Radiographic pattern ... mainly with an upper
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... Smoking related diseases ... - Aspiration - Pulmonary ... #Differential #Table ... #Distribution #Upper
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
Connective tissue disease-associated ... interstitial lung diseases ... connective tissue disease ... #Differential #Comparison ... #Table #Pulmonary
Upper Versus Lower Motor Neuron Findings

Denervation near the target muscle fibers (lower motor neuron disease) results
Upper Versus Lower ... lower motor neuron disease ... #Upper #Lower #MotorNeuron ... #Comparison #Versus ... Findings #Diagnosis #Table
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
the left some diseases ... with a nodular pattern ... Diagnosis #Radiology #Pulmonary ... #Differential #Comparison ... #Table #RadiologyAssistant