14 results
Subacute hypersensitivity pneumonitis
The key findings in the subacute hypersensitivity pneumonitis are:
ill-defined centrilobular nodules of ground-glass opacity
pneumonitis The key findings ... cases) or mosaic pattern ... opacity due to lung ... #Clinical #Radiology ... #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... #CTChest #Nodular ... Comparison #Table #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
very similar HRCT findings ... throughout the whole lung ... #Clinical #Diagnosis ... #Radiology #CTChest ... #RadiologyAssistant
Tree-in-Bud Sign on Chest CT
 • Multiple centrilobular nodules arranged in a linear branching pattern.
 •
Multiple centrilobular ... linear branching pattern ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical #tree
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
have specific patterns ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD ... #Findings #RadiologyAssistant
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
bronchiectasis, CF ... , ILD, necrotizing ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
the dominant HR-pattern ... there additional findings ... #Radiology #Pulmonary ... #HRCT #CTChest ... #RadiologyAssistant
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
The dominant findig ... this patient is centrilobular ... the central dot sign ... #Clinical #Radiology ... #CXR #CTChest #
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
Signs of fibrosis ... mid and lower lung ... on the imaging findigs ... #Clinical #Radiology ... #CTChest #Chronic
Increased pulmonary venous pressure is related to the pulmonary capillary wedge pressure (PCWP) and can be
In daily clinical ... #Diagnosis #Radiology ... #CHF #CXR #Stages ... #Findings #Signs ... #RadiologyAssistant