13 results
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
pneumonitis are ... hyperaerated secondary nodules ... and secondry nodules ... Radiology #CXR #CTChest ... Chronic #Fibrosis #RadiologyAssistant
Sometimes the centrilobular opacities are more nodular in appearance as in this case. #Clinical #Radiology #CTChest
more nodular in ... Clinical #Radiology #CTChest ... #Hypersensitivity ... HypersensitivityPneumonitis #Nodular ... Centrilobular #RadiologyAssistant
Subacute hypersensitivity pneumonitis
The key findings in the subacute hypersensitivity pneumonitis are:
ill-defined centrilobular nodules of ground-glass opacity
pneumonitis are ... centrilobular nodules ... There are ill-defined ... Clinical #Radiology #CTChest ... Centrilobular #RadiologyAssistant
Here another case of subacute hypersensitivity pneumonitis.
There is subtle opacity in the centre of the secondary
Here another case ... Clinical #Radiology #CTChest ... #Hypersensitivity ... HypersensitivityPneumonitis #Nodular ... Centrilobular #RadiologyAssistant
Mucoid impaction
Mucus plugs or mucoid impaction can mimick the appearance of lung nodules or a mass.
Sometimes
appearance of lung nodules ... ABPA is a hypersensitivity ... In this case there ... Radiology #CXR #CTChest ... Mucus #Plugging #RadiologyAssistant
This patient presented with acute dyspnoe and a normal chest film (not shown).
The HRCT at presentation
presented with acute ... presentation (left) shows lobular ... Clinical #Radiology #CTChest ... #Hypersensitivity ... HypersensitivityPneumonitis #Resolution #RadiologyAssistant
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Primary - Other (Rare ... Lymphangioleiomyomatosis (LAM ... Metastases to lung as nodules ... Hypersensitivity ... , Beomycin • Acute
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
Hypersensitivity ... centrilobular nodules ... density (acinar nodules ... Clinical #Radiology #CTChest ... HypersenstitivityPneumonitis #RadiologyAssistant
Differential diagnosis of TB.
Primary TB: Acute bacterial pneumonia
Secondary TB: Sarcoidosis, Silicosis, Pneumoconiosis
Endobronchial spread of TB: Bronchopneumonia,
Primary TB: Acute ... Bronchopneumonia, Hypersensitivity ... are more uniform ... Diagnosis #Radiology #CTChest ... Metastases #Mimic #RadiologyAssistant
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
• Hemoptysis - rare ... irregular lines, nodular ... - No specific lab ... interstitial pneumonia’s, Hypersensitivity ... ILD #diagnosis #management