26 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Hypersensitivity pneumonitis ... Clinical #Radiology #HRCT ... #CTChest #Nodular ... #Table #RadiologyAssistant
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
are: Mosaic pattern ... The HRCT shows a ... mosaic pattern ... Radiology #CXR #CTChest ... Chronic #Fibrosis #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
pattern. 1. ... Hypersensitivity pneumonitis ... Diagnosis #Radiology #Pulmonary ... #CTChest #Nodular ... Comparison #Table #RadiologyAssistant
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
Perilymphatic nodules ... the reticular pattern ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest ... #Differential #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
in interstitial lung ... reticular, nodular ... is interstitial lung ... Diagnosis #Radiology #Pulmonary ... #Differential #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... are visible, the pattern ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest ... #Algorithm #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... on the basis of HRCT ... Diagnosis #Radiology #Pulmonary ... #CTChest #LowAttenuation ... Emphysema #SignetRing #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
pattern. ... structures of the lung ... Diagnosis #Radiology #Pulmonary ... #Nodular #Pattern ... Comparison #Diagram #RadiologyAssistant
This patient presented with acute dyspnoe and a normal chest film (not shown).
The HRCT at presentation
(left) shows lobular ... areas of ground ... A control HRCT ten ... Clinical #Radiology #CTChest ... HypersensitivityPneumonitis #Resolution #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... or interstitial lung ... in ground glass pattern ... Hypersensitivity pneumonitis ... #CTChest #GGO #