8 results
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Smoking related diseases ... edema #Diagnosis ... #Radiology #Pulmonary ... #HRCT #ChestCT ... Differential #Table #Distribution
The distribution of nodules shown on HRCT is the most important factor in making an accurate
nodules shown on HRCT ... In certain diseases ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... Perilymphatic #Comparison
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... in number, the distribution ... #Diagnosis #Radiology ... #Pulmonary #HRCT
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Honeycombing Most diseases ... on the basis of HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Differential #Diagram #Comparison
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... interstitial lung disease ... Centrilobular distribution ... bronchiolitis #Diagnosis ... #Radiology #Pulmonary
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
the left some diseases ... perilymphatic distribution ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... #Differential #Comparison
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
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
Differential diagnosis ... perilymphatic distribution ... #Diagnosis #Pulmonary ... #Radiology #RHS ... #Differential #Algorithm