22 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Differential #Diagram ... Emphysema #SignetRing #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... edema #Diagnosis ... #Radiology #Pulmonary ... Differential #Table #Distribution ... #Upper #Lower #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
in the nodular pattern ... structures of the lung ... #Pulmonary #HRCT ... Perilymphatic #Comparison #Diagram ... #RadiologyAssistant
Batwing
A bilateral perihilar distribution of consolidation is also called a Batwing distribution.
The sparing of the periphery
periphery of the lung ... most typical of pulmonary ... edema, both cardiogenic ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
On the left a patient who had a CT to rule out pulmonary embolism.
There is a
CT to rule out pulmonary ... gravitational distribution ... edema. ... #Clinical #Radiology ... SeptalThickening #CHF #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
spaces with pus, edema ... or interstitial lung ... in ground glass pattern ... Centrilobular distribution ... #Pulmonary #CTChest
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... perilymphatic distribution ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... Comparison #Table #RadiologyAssistant
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
supplying the upper lung ... supplying the lung ... In daily clinical ... #Clinical #Radiology ... #RadiologyAssistant
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... and perihilar distribution ... edema. ... #Clinical #Radiology ... Comparison #Table #RadiologyAssistant
On the left a patient with ground glass pattern in a mosaic distribution.
The clue here is
with ground glass pattern ... in a mosaic distribution ... enlargement of pulmonary ... #Clinical #Radiology ... Thromboembolism #RadiologyAssistant