12 results
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest ... #NodularPattern ... #Differential # ... Algorithm #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Diagnosis #Radiology #Pulmonary ... #CTChest #Nodular ... #Pattern #NodularPattern ... #Differential # ... Comparison #Table #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
shown on HRCT is ... Random refers to ... Diagnosis #Radiology #Pulmonary ... #HRCT #NodularPattern ... Comparison #Diagram #RadiologyAssistant
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
the overlap in differential ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest ... #Differential # ... RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... Diagnosis #Radiology #Pulmonary ... #CTChest #GGO # ... #GroundGlass #Differential ... #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... patterns: reticular, nodular ... Diagnosis #Radiology #Pulmonary ... Interstitial #Pattern #Differential ... #RadiologyAssistant
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Patterns - Differential ... Low Attenuation Nodular ... : • Random: Metastases ... #CT #Patterns #
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
HR-pattern: reticular nodular ... perilymphatic or random ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest ... Algorithm #ILD #RadiologyAssistant
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
The differential ... are confluent, HRCT ... Clinical #Radiology #CTChest ... #GGO #MosaicAttenuation ... HypersenstitivityPneumonitis #RadiologyAssistant
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
has a limited differential ... in interstitial pulmonary ... Nodular or irregular ... #HRCT #CTChest ... #RadiologyAssistant