121 results
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
adenopathy and pleural effusion ... low attenuation areas ... #Clinical #Radiology ... #Comparison #Table ... #RadiologyAssistant
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
High Attenuation pattern ... consolidation #Clinical ... #Radiology #HRCT ... #Comparison #Table ... #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... low attenuation areas ... #Clinical #Radiology ... #Comparison #Table ... #RadiologyAssistant
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... #Clinical #Radiology ... CTChest #Nodular #Pattern ... #Comparison #Table ... #RadiologyAssistant
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... #Clinical #Radiology ... CTChest #Nodular #Pattern ... #Comparison #Table ... #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... low attenuation pattern ... #Diagnosis #Radiology ... Differential #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
High Attenuation pattern ... #Clinical #Radiology ... HighAttenuation #Pattern ... #Comparison #Table ... #RadiologyAssistant
Massive Pericardial Effusion on Echocardiogram (A4C) demonstrating ECG alternans motion
Massive pericardial effusion, female metastatic breast cancer
Echocardiogram (A4C ... female metastatic breast ... Echocardiogram #malignant #clinical ... #cardiology #pocus ... #a4c #electrical
Cardiac Rupture with Pericardial Effusion

Apical 4 chamber. Note larger right sided pericardial effusion with significant compression
with Pericardial Effusion ... sided pericardial effusion ... #pericardial #effusion ... Echocardiogram #ultrasound #Cardiology ... #A4c #clinical
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
pneumonitis are: Mosaic pattern ... atenuation and areas ... shows a mosaic pattern ... #Clinical #Radiology ... Chronic #Fibrosis #RadiologyAssistant