17 results
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
Chronic hypersensitivity ... Mosaic pattern with areas ... atenuation and areas ... Radiology #CXR #CTChest ... #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Hypersensitivity ... pneumonitis: ill ... Diagnosis #Radiology #Pulmonary ... #CTChest #Nodular ... Comparison #Table #RadiologyAssistant
This patient presented with acute dyspnoe and a normal chest film (not shown).
The HRCT at presentation
shows lobular areas ... pneumonitis. ... Clinical #Radiology #CTChest ... #Hypersensitivity ... #Resolution #RadiologyAssistant
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Pneumonitis, Respiratory ... Acute Eos PNA • Chronic ... Pneumonia, COP, Chronic ... Honeycombing: Idiopathic Pulmonary ... Differential #Diagnosis #pulmonary
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
Chronic hypersensitivity ... pneumonitis (2) ... Clinical #Radiology #CTChest ... #Chronic #Hypersensitivity ... #Fibrosis #RadiologyAssistant
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
Fibrosis H - Hypersensitivity ... caused by a rigid chest ... antigens: - Hypersensitivity ... pneumonitis - ... aspergillosis - Chronic
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
distribution: Hypersensitivity ... pneumonitis, Respiratory ... Diagnosis #Radiology #Pulmonary ... #CTChest #GGO # ... #Differential #RadiologyAssistant
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Rare: pleural effusions ... ’s, Hypersensitivity ... organizing pneumonia, Chronic ... eosinophilia pneumonia, Pulmonary ... Pneumonia #COP #BOOP #pulmonary
Longstanding Sarcoidosis
Here a typical chest film in a patient with long standing Sarcoidosis (stage IV).
There is
Here a typical chest ... diagnosis includes chronic ... hypersensitivity ... pneumonitis, which ... Sarcoidosis #Fibrosis #RadiologyAssistant
On the left a patient who is treated with cytotoxic drugs for a hematologic malignancy.
The radiographic
like idiopathic pulmonary ... or fibrosis in chronic ... hypersensitivity ... Clinical #Radiology #CTChest ... DrugRelated #Fibrosis #RadiologyAssistant