23 results
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
nodules and the nodular ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #CTChest #Perilymphatic ... #RadiologyAssistant
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... #Clinical #Radiology ... #HRCT #CTChest ... #Nodular #Pattern ... Comparison #Table #RadiologyAssistant
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... #Clinical #Radiology ... #HRCT #CTChest ... #Nodular #Pattern ... Comparison #Table #RadiologyAssistant
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 #NodularPattern ... #RadiologyAssistant
On the left a patient who had a CT to rule out pulmonary embolism.
There is a
CT to rule out pulmonary ... was cardiogenic pulmonary ... #Clinical #Radiology ... #CTChest #SeptalThickening ... #CHF #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 ... The HRCT - not shown ... #Clinical #Radiology ... Interstitial #Pattern #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
On HRCT there are ... patterns: reticular, nodular ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Differential #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... mass - Solitary Pulmonary ... Atelectasis #Diagnosis #Clinical ... #Radiology #CXR ... Consolidation #Patterns #RadiologyAssistant
This patient presented with acute dyspnoe and a normal chest film (not shown).
The HRCT at presentation
The HRCT at presentation ... (left) shows lobular ... A control HRCT ten ... #Clinical #Radiology ... HypersensitivityPneumonitis #Resolution #RadiologyAssistant
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
bronchiectasis) #Diagnosis #Radiology ... #Pulmonary #HRCT ... #CTChest #Interpretation ... #Algorithm #ILD ... #RadiologyAssistant