10 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... low attenuation (table ... When the cysts have ... #Diagnosis #Radiology ... #Pulmonary #CXR
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
on the basis of HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential ... #Diagram #Comparison
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... (LAM): uniform cysts ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... (LAM): regular cysts ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... before the typical cysts ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
#CXR #Lucency #Differential ... #Table #CavitaryLesion ... #Cavity #Cyst # ... Lung #Pulmonary ... #Diagnosis #Radiology
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... To differentiate ... associated pulmonary ... #CTChest #Cavity ... #Comparison #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... before the typical cysts ... #Pulmonary #CTChest ... NodularPattern #Differential ... #Comparison #Table
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... Cardiogenic pulmonary ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
cells results in a pattern ... diagnosis (Table ... in interstitial pulmonary ... #Diagnosis #Radiology ... #Pulmonary #HRCT