16 results
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
Mosaic pattern with areas ... atenuation and areas ... Fibrosis and parenchymal ... #Clinical #Radiology ... #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
bronchiolitis (RB-ILD ... histiocytosis - Hypersensitivity ... edema #Diagnosis #Radiology ... HRCT #ChestCT #Differential ... #Upper #Lower #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
chronic HP (right) Differential ... diagnosis of Hypersensitivity ... Subacute stage: - RB-ILD ... In chronic HP fibrotic ... #Mimic #ILD #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Hypersensitivity ... Hypersensitivity ... Clinical #Diagnosis #Radiology ... NodularPattern #Differential ... Comparison #Table #RadiologyAssistant
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Lung Disease - Differential ... Diagnosis Algorithm ... Interstitial Pneumonia - fibrosis ... Lung #Diseases #ILD ... #Causes #Differential
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
HRCT as seen in fibrosis ... disease (i.e. fibrosis ... distribution: Hypersensitivity ... #GroundGlass #Differential ... #RadiologyAssistant
Longstanding Sarcoidosis
Here a typical chest film in a patient with long standing Sarcoidosis (stage IV).
There is
There is fibrosis ... The differential ... includes chronic hypersensitivity ... #Clinical #Radiology ... #RadiologyAssistant
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
Signs of fibrosis ... included in the differential ... #Clinical #Radiology ... HypersensitivityPneumonitis #Fibrosis ... #RadiologyAssistant
On the left two different patients with similarl HRCT findings.
The left one is a smoker with
smoker with RB-ILD ... the right has hypersensitivity ... the well defined areas ... #Clinical #Radiology ... #RadiologyAssistant
Primary Bone Tumors - Differential Diagnosis Algorithm 

Metastatic - Most common tumour in adults
 - Breast
Bone Tumors - Differential ... Diagnosis Algorithm ... in adults - Breast ... Friboxanthoma • Fibrous ... Causes #Oncology #Radiology