22 results
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
Perilymphatic nodules ... perilymphatic nodules ... and the nodular ... #HRCT #CTChest ... Perilymphatic #Nodular
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest ... #Differential # ... Algorithm #RadiologyAssistant
Chest XRay Nodule / Mass Pattern - Differential Algorithm #Diagnosis #Radiology #Pulmonary #CXR #Nodule #Mass #Pattern
Chest XRay Nodule ... Mass Pattern - Differential ... Diagnosis #Radiology #Pulmonary ... #CXR #Nodule #Mass ... #Algorithm #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... opacities - Fine Nodular ... interstitial opacities Nodule ... mass - Solitary Pulmonary ... Nodule - Multiple
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
diseases with a nodular ... Diagnosis #Radiology #Pulmonary ... #CTChest #Nodular ... NodularPattern #Differential ... Comparison #Table #RadiologyAssistant
Sarcoidosis
In this case the chest x-ray shows subtle findings that could be described as fine reticulation.
In
this case the chest ... In many cases a HRCT ... demonstrated a fine nodular ... #Sarcoidosis #Nodular ... Interstitial #Pattern #RadiologyAssistant
Tree-in-bud
In centrilobular nodules the recognition of 'tree-in-bud' is of value for narrowing the differential diagnosis.
Tree-in-bud describes
centrilobular nodules ... narrowing the differential ... irregular and often nodular ... #CTChest #TreeInBud ... #Diagram #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
patterns: reticular, nodular ... On a Chest X-Ray ... detected on a chest ... Diagnosis #Radiology #Pulmonary ... #RadiologyAssistant
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
Etiologies of pulmonary ... Varicella–Zoster virus NODULAR ... aureus) EXCAVATED NODULES ... ComputedTomography #Differential ... #Diagnosis #Chest
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 ... HR-pattern: reticular nodular ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest ... Algorithm #ILD #RadiologyAssistant