12 results
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
The HRCT shows a ... and secondry nodules ... Clinical #Radiology #CXR ... #CTChest #Hypersensitivity ... #Pneumonitis #HypersensitivityPneumonitis
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis on HRCT ... disease comes from HRCT ... On HRCT there are ... patterns: reticular, nodular ... in many cases UIP
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 #CXR ... #Sarcoidosis #Nodular
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... Radiology #Pulmonary #HRCT ... #CTChest #NodularPattern ... #Differential #Algorithm
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 #CTChest ... #Pneumonitis #HypersensitivityPneumonitis
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
On a chest X-ray ... on the CXR. ... A HRCT is needed ... Here a CXR with ... HRCT demonstrated
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
The CXR demonstrates ... The HRCT demonstrates ... Clinical #Radiology #CXR ... #UIP #CTChest #
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
UIP with honeycombing ... Chronic stage: - UIP ... show very similar HRCT ... Diagnosis #Radiology #CTChest ... #Chronic #HypersensitivityPneumonitis
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
centrilobular nodules ... density (acinar nodules ... are confluent, HRCT ... Clinical #Radiology #CTChest ... MosaicAttenuation #Mosaic #HypersenstitivityPneumonitis
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 ... Radiology #Pulmonary #HRCT ... #CTChest #Interpretation ... #Algorithm #ILD