12 results
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... perilymphatic, random ... 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 ... bronchiolitis: ill ... #Clinical #Diagnosis ... #Pattern #NodularPattern
The distribution of nodules shown on HRCT is the most important factor in making an accurate
pattern. ... Random refers to ... Nodules are randomly ... 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 ... Hypersensitivity pneumonitis: ill ... Miliary TB: random ... #Clinical #Radiology ... #Pattern #Comparison
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... consolidation - Multifocal ill-defined ... opacities - Fine Nodular ... Atelectasis #Diagnosis #Clinical ... Consolidation #Patterns
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Differential Diagnosis Algorithm ... prognosis • Nodular ... • Classic - Nodular ... involvement, irregular pattern ... Lymphoproliferative #Disorders #Classification
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
Organizing Pneumonia - Clinical ... consolidation and GG pattern ... irregular lines, nodular ... Treatment: • Mild ... BOOP #pulmonary #ILD
Subacute hypersensitivity pneumonitis
The key findings in the subacute hypersensitivity pneumonitis are:
ill-defined centrilobular nodules of ground-glass opacity
centrilobular nodules ... cases) or mosaic pattern ... There are ill-defined ... centrilobular nodules ... #Clinical #Radiology
Lyme Disease - Diagnosis and Management Summary

Lyme Disease Epidemiology:
- Spirochete
- Reservoir: small mammals & birds
- Transmitted
Scapularis in eastern ... - 5-14 years old ... - 45-55 years old ... Lyme Disease Clinical ... Pericarditis • Ocular