39 results
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
are most commonly ... in differential diagnosis ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #CTChest #Perilymphatic
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
These are often ... are visible, the ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #CTChest #NodularPattern
Sarcoidosis
In this case the chest x-ray shows subtle findings that could be described as fine reticulation.
In
Sarcoidosis In this case ... the chest x-ray ... In many cases a HRCT ... The HRCT - not shown ... #Clinical #Radiology
The distribution of nodules shown on HRCT is the most important factor in making an accurate
shown on HRCT is ... making an accurate diagnosis ... Nodules are almost ... #Diagnosis #Radiology ... #Pulmonary #HRCT
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... on HRCT Most of ... On HRCT there are ... patterns: reticular, nodular ... #Diagnosis #Radiology
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 ... opacities - Fine Nodular ... Masses Atelectasis #Diagnosis ... #Clinical #Radiology
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
hypersensitivity pneumonitis are ... The HRCT shows a ... and secondry nodules ... #Clinical #Radiology ... #CXR #CTChest #
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 ... resolved without any treatment ... #Clinical #Radiology
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
multiple ill-defined nodules ... can suggest the diagnosis ... left lung, which are ... #Clinical #Radiology ... #CXR #CTChest #
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 ... bronchiectasis) #Diagnosis ... #Radiology #Pulmonary ... #HRCT #CTChest