18 results
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
key findings in ... : Mosaic pattern ... #Clinical #Radiology ... #CXR #CTChest # ... #Fibrosis #RadiologyAssistant
Tree-in-Bud Sign on Chest CT
 • Multiple centrilobular nodules arranged in a linear branching pattern.
 •
on Chest CT • ... 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
pneumonias (IIPs ... combinations of fibrosis ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... #RadiologyAssistant
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
Signs of fibrosis ... mid and lower lung ... #Clinical #Radiology ... #CTChest #Chronic ... #RadiologyAssistant
On the left a chest film of a patient with UIP due to IPF.
The findings on
The findings on ... volume loss and fibrotic ... changes in the basal lung ... #Clinical #Radiology ... #CXR #CTChest #
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
can suggest the diagnosis ... feeding vessel sign ... #Clinical #Radiology ... #CXR #CTChest # ... SepticEmboli #Cavity #RadiologyAssistant
Longstanding Sarcoidosis
Here a typical chest film in a patient with long standing Sarcoidosis (stage IV).
There is
The differential diagnosis ... includes chronic ... #Clinical #Radiology ... #CXR #Lateral # ... #RadiologyAssistant
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
of pulmonary fibrosis ... to confirm the diagnosis ... attributed to chronic ... #Clinical #Radiology ... #Interstitial #
On the left a patient who is treated with cytotoxic drugs for a hematologic malignancy.
The radiographic
The radiographic findings ... fibrosis in chronic ... #Clinical #Radiology ... #CTChest #DrugInduced ... #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
Hypersensitivity Pneumonitis ... very similar HRCT findings ... In chronic HP fibrotic ... #Clinical #Diagnosis ... #Radiology #CTChest