9 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Diagnosis #Radiology #Pulmonary ... #CTChest #LowAttenuation ... #Differential # ... Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... HRCT #CTChest #LowAttenuation ... #Cystic #Pattern ... #Comparison #Table ... #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... cysts; smoking history ... HRCT #CTChest #LowAttenuation ... #Comparison #Table ... #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
The table summarizes ... to look at the pattern ... more than one pattern ... Diagnosis #Radiology #Pulmonary ... #Table #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... Diagnosis #Radiology #Pulmonary ... NodularPattern #Differential ... #Comparison #Table ... #RadiologyAssistant
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... Cardiogenic pulmonary ... Cardiogenic pulmonary ... #Comparison #Table ... #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
in the nodular pattern ... Diagnosis #Radiology #Pulmonary ... NodularPattern #Nodular #Pattern ... Perilymphatic #Comparison ... #Diagram #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
or an area of consolidation ... In the differential ... without associated pulmonary ... Cyst #Emphysema #Comparison ... #RadiologyAssistant
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... Cardiogenic pulmonary ... Cardiogenic pulmonary ... #Comparison #Table ... #RadiologyAssistant