25 results
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
a.k.a. extrinsic allergic ... alveolitis): • Hypersensitivity ... ILD caused by inhalation ... #diagnosis #differential ... #pulmonary #causes
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... bronchiolitis (RB-ILD ... histiocytosis - Hypersensitivity ... edema #Diagnosis #Radiology ... HRCT #ChestCT #Differential
Mucoid impaction
Mucus plugs or mucoid impaction can mimick the appearance of lung nodules or a mass.
Sometimes
fibrosis (CF) and allergic ... ABPA is a hypersensitivity ... bronchial obstruction caused ... #Clinical #Radiology ... Mucus #Plugging #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Hypersensitivity ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... NodularPattern #Differential ... Comparison #Table #RadiologyAssistant
Subacute hypersensitivity pneumonitis
The key findings in the subacute hypersensitivity pneumonitis are:
ill-defined centrilobular nodules of ground-glass opacity
opacity (80% of cases ... opacity due to lung ... There are ill-defined ... #Clinical #Radiology ... Centrilobular #RadiologyAssistant
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
x-ray there is an ill-defined ... In the proper clinical ... weight loss or long ... #Clinical #Radiology ... Lobar #Pneumonia #RadiologyAssistant
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
Fibrosis H - Hypersensitivity ... Therefore, conditions caused ... pneumonitis - Allergic ... #diseases #differential ... #STARCHASERS #radiology
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
non-perfused vessels and causes ... In daily clinical ... with old fims can ... #Clinical #Radiology ... Redistribution #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 ... #Clinical #Diagnosis ... #Radiology #CTChest ... #RadiologyAssistant
Here another case of hypersensitivity pneumonitis.
There is a mosaic pattern.
Some secundary lobules demonstrate ground-glass opacity due
Here another case ... of hypersensitivity ... opacity due to lung ... #Clinical #Radiology ... #GroundGlass #RadiologyAssistant