10 results
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
the left some diseases ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... #Pattern #NodularPattern ... #Differential #Comparison
The distribution of nodules shown on HRCT is the most important factor in making an accurate
In certain diseases ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #NodularPattern ... Perilymphatic #Comparison
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
in number, the distribution ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #CTChest #NodularPattern ... Differential #Algorithm #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... Centrilobular distribution ... bronchiolitis #Diagnosis ... #Radiology #Pulmonary ... #Differential #RadiologyAssistant
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... left multiple diseases ... gravitational distribution ... #Clinical #Radiology ... #Differential #Comparison
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
and perihilar distribution ... Alveolar proteinosis ... #Clinical #Radiology ... Reticular #Pattern #Comparison ... #Table #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
show very similar HRCT ... strong lower zone distribution ... #Clinical #Diagnosis ... #Radiology #CTChest ... #UIP #Comparison
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
pattern in a mosaic distribution ... The differential diagnosis ... thromboembolic disease ... are confluent, HRCT ... #Clinical #Radiology
Based on the images alone, it is usually not possible to determine the cause of the
filling of the alveoli ... in fact this is nodular ... interstitial lung disease ... #Clinical #Diagnosis ... #Radiology #CXR
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
interstitial lung disease ... or lymphoma and alveolar ... Nodular or irregular ... #Diagnosis #Radiology ... #Pulmonary #HRCT