10 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 ... HRCT #CTChest #NodularPattern ... #Nodular #Pattern
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
pattern. 1. ... Miliary TB: random ... Diagnosis #Radiology #Pulmonary ... #Pattern #NodularPattern ... Differential #Comparison #Table
The distribution of nodules shown on HRCT is the most important factor in making an accurate
pattern. ... Nodules are randomly ... Diagnosis #Radiology #Pulmonary ... #HRCT #NodularPattern ... #Nodular #Pattern
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... centrilobular nodules ... Miliary TB: random ... nodules 3. ... #Table #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
consolidation - Diffuse ... opacities - Fine Nodular ... interstitial opacities Nodule ... mass - Solitary Pulmonary ... Nodule - Multiple
Lung Nodules - Differential Diagnosis by Distribution
 • Centrilobular: Hypersensitivity Pneumonitis, RB-ILD, Pneumoconiosis, Infectious Bronchiolitis, Vasculitis,
Lung Nodules - Differential ... Pneumonitis, RB-ILD ... Carcinomatosis • Random ... BrighamChiefs #Lung #Nodules ... #Distribution #pulmonary
Algorithm for Diagnosis of Diffuse Cystic Lung Disease (DCLD)
Round, smooth cysts with normal lung parenchyma in
cysts along with nodules ... septal thickening & nodules ... LCDD, SS Cyst pattern ... presentations - ILD ... Disease #DCLD #pulmonary
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
the dominant HR-pattern ... : reticular nodular ... perilymphatic or random ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
consolidation and GG pattern ... irregular lines, nodular ... lymphoma, Diffuse ... Pneumonia #COP #BOOP #pulmonary ... #ILD #diagnosis
Risk factors
Defining high- or low-risk is currently more difficult than it was in the old guideline.
Previously
it was in the old ... exposure to asbestos, radon ... characteristics alone (See Table ... Epidemiology #Radiology #Pulmonary ... PulmonaryNodule #Nodule