41 results
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
Perilymphatic nodules are ... in differential diagnosis ... #Diagnosis #Radiology ... Pulmonary #HRCT #CTChest ... #Differential #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
Here are the most ... patterns on a chest ... Masses Atelectasis #Diagnosis ... #Clinical #Radiology ... Consolidation #Patterns #RadiologyAssistant
On the left another typical case of sarcoidosis.
In addition to the perilymphatic nodules, there are multiple
nodules, there are ... #Clinical #Radiology ... #CTChest #Sarcoidosis ... Peribronchovascular #Nodular ... #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Nodular LCH: - Sarcoidosis ... LIP #Clinical #Diagnosis ... #Radiology #CTChest ... 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 #Nodular ... Differential #Algorithm #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
the differential diagnosis ... irregular and often nodular ... #Radiology #Pulmonary ... #CTChest #TreeInBud ... #Diagram #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
diseases with a nodular ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... #CTChest #Nodular ... Comparison #Table #RadiologyAssistant
Sometimes the centrilobular opacities are more nodular in appearance as in this case. #Clinical #Radiology #CTChest
centrilobular opacities are ... more nodular in ... #Clinical #Radiology ... #CTChest #Hypersensitivity ... Centrilobular #RadiologyAssistant
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
can suggest the diagnosis ... left lung, which are ... #Clinical #Radiology ... #CXR #CTChest # ... SepticEmboli #Cavity #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... On HRCT there are ... patterns: reticular, nodular ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant