11 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
diseases with a ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Differential #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
are dealing with a ... , it is likely a ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
diseases with a ... Clinical #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Differential #Comparison ... #Table #RadiologyAssistant
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
standing erect, the pulmonary ... The pulmonary vascular ... In these cases comparison ... #Clinical #Radiology ... Redistribution #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
preference for a ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... Perilymphatic #Comparison ... #Diagram #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
consolidation as a ... without associated pulmonary ... Clinical #Diagnosis #Radiology ... Cyst #Emphysema #Comparison ... #RadiologyAssistant
On the left a patient with CHF. 
There is an increase in heart size compared to
On the left a patient ... redistribution of pulmonary ... On a supine film ... #Clinical #Radiology ... #RadiologyAssistant
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Cardiogenic pulmonary ... ground-glass opacity with a ... #Clinical #Radiology ... Reticular #Pattern #Comparison ... #Table #RadiologyAssistant
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
Interpretation A ... bronchiectasis) #Diagnosis #Radiology ... #Pulmonary #HRCT ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
It can be difficult to distinguish these three entities.
There are two diagnostic hints for further differentiation:
-
are looking at a ... right with the pulmonary ... penicillamine) #Clinical #Radiology ... #Attenuation #Comparison ... #RadiologyAssistant