15 results
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... are diffuse and ... Radiology #Pulmonary #HRCT ... #Nodules #Differential
The distribution of nodules shown on HRCT is the most important factor in making an accurate
shown on HRCT is ... pattern. ... Nodules are randomly ... structures of the lung ... Perilymphatic #Comparison
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Miliary TB: random ... nodules 3. ... Clinical #Radiology #HRCT ... #Pattern #Comparison
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... reticular, nodular ... is interstitial lung ... #Differential #
Lung Nodules - Differential Diagnosis by Distribution
 • Centrilobular: Hypersensitivity Pneumonitis, RB-ILD, Pneumoconiosis, Infectious Bronchiolitis, Vasculitis,
Lung Nodules - Differential ... Bronchiolitis, Vasculitis, Diffuse ... Carcinomatosis • Random ... BrighamChiefs #Lung ... #Nodules #Differential
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
pattern. 1. ... Miliary TB: random ... #Pattern #NodularPattern ... #Differential # ... Comparison #Table
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
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The fourth pattern ... - Emphysema - Lung ... on the basis of HRCT ... LowAttenuation #Differential ... #Diagram #Comparison
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern ... small (1 -4 mm) nodules ... • Diffusely distributed ... throughout the lungs ... process or (rarely) diffuse
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 ... : reticular nodular ... perilymphatic or random ... Interpretation #Algorithm
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
of interstitial lung ... consolidation and GG pattern ... irregular lines, nodular ... , cavities • HRCT ... Pulmonary lymphoma, Diffuse