13 results
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
are: Mosaic pattern ... shows a mosaic pattern ... and intralobular reticular ... Radiology #CXR #CTChest ... Chronic #Fibrosis #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
in interstitial lung ... On a Chest X-Ray ... is interstitial lung ... Diagnosis #Radiology #Pulmonary ... #Differential #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... Diagnosis #Radiology #Pulmonary ... #CTChest #LowAttenuation ... Differential #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... Diagnosis #Radiology #Pulmonary ... #CTChest #Nodular ... #Differential #Comparison ... #Table #RadiologyAssistant
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
of pulmonary fibrosis ... On a chest X-ray ... at the lung bases ... lung bases. ... #Honeycombing #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
idiopathic interstitial pneumonias ... have specific patterns ... Diagnosis #Radiology #Pulmonary ... #CTChest #Idiopathic ... ILD #Findings #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
or interstitial lung ... in ground glass pattern ... Hypersensitivity pneumonitis ... Diagnosis #Radiology #Pulmonary ... #CTChest #GGO #
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... Radiology #HRCT #CTChest ... #Reticular #Pattern ... #Comparison #Table ... #RadiologyAssistant
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
Thickening of the lung ... cells results in a pattern ... of reticular opacities ... #HRCT #CTChest ... #Differential #RadiologyAssistant
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
scan: the mosaic pattern ... mid and lower lung ... with a mozaic pattern ... Clinical #Radiology #CTChest ... HypersensitivityPneumonitis #Fibrosis #RadiologyAssistant