12 results
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
atenuation and areas ... Fibrosis and parenchymal ... distortion in a mid zone ... #Clinical #Radiology ... #RadiologyAssistant
Primary Bone Tumors - Differential Diagnosis Algorithm 

Metastatic - Most common tumour in adults
 - Breast
- Differential ... Diagnosis Algorithm ... in adults - Breast ... Friboxanthoma • Fibrous ... Causes #Oncology #Radiology
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... histiocytosis - Hypersensitivity ... edema #Diagnosis #Radiology ... HRCT #ChestCT #Differential ... #Upper #Lower #RadiologyAssistant
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
Bone Tumor Location within the Skeleton

Epiphysis: 
Only a few lesions are located in the epiphysis, so
included in the differential ... sarcoma, SBC, ABC ... , Enchondroma, Fibrous ... Diaphysis #Epiphysis #Radiology ... #MSK #Differential
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 ... a strong lower zone ... In chronic HP fibrotic ... #Mimic #ILD #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 a patient who is treated with cytotoxic drugs for a hematologic malignancy.
The radiographic
in chronic hypersensitivity ... However it is not one ... disease in the differential ... #Clinical #Radiology ... #RadiologyAssistant
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
Radiation C - Cystic Fibrosis ... H - Hypersensitivity ... clearance: - Cystic Fibrosis ... lung #diseases #differential ... #STARCHASERS #radiology