5 results
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
Fibrosis and parenchymal ... distortion in a mid zone ... existing irreversible fibrosis ... #Clinical #Radiology ... #CXR #CTChest #
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
helpfull: - Upper zone ... , PCP. - Lower zone ... bronchiolitis #Diagnosis #Radiology ... #Pulmonary #CTChest ... #GroundGlass #Differential
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
chronic HP (right) Differential ... a strong lower zone ... In chronic HP fibrotic ... Clinical #Diagnosis #Radiology ... #CTChest #UIP #
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
Radiation C - Cystic Fibrosis ... contribute to the upper zone ... caused by a rigid chest ... lung #diseases #differential ... #STARCHASERS #radiology
On the left a patient who is treated with cytotoxic drugs for a hematologic malignancy.
The radiographic
pneumonitis or fibrosis ... However it is not one ... disease in the differential ... #Clinical #Radiology ... #CTChest #DrugInduced