Dr. Gerald Diaz @GeraldMD
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Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief πŸ‡΅πŸ‡­ πŸ‡ΊπŸ‡Έ - Sign up for an account to like, bookmark and upload images to contribute to our community platform. Follow us on IG: https://www.instagram.com/grepmed/ | Twitter: https://twitter.com/grepmeded/
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The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
or air-filled lesions ... Diagnosis #Radiology #Pulmonary ... #CTChest #LowAttenuation ... #Differential # ... Diagram #Comparison
Pneumonia on Chest Xray and POCUS

Extensive pneumonia in lower left lobe (red arrow). 
POCUS: Dynamic air
Pneumonia on Chest ... Xray and POCUS ... POCUS: Dynamic air ... #CXR #Comparison ... Clinical #Lung #Pulmonary
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Appearance of Liver Lesions on Various Imaging Modalities
 β€’ Computed Tomography (CT) - Arterial Phase, Portal
hepatobiliary phase β€’ Contrast ... #CT #MRI #POCUS ... #radiology #differential ... #diagnosis #comparison ... table #appearance #hepatology
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... with ground glass attenuation ... #CTChest #LymphangiticCarcinomatosis ... Carcinomatosis #Mimic #Differential ... #Comparison #Table
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
Features That Differentiate ... Infarction and Pulmonary ... Embolism In contrast ... it difficult to differentiate ... #Presentation #comparison
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Mosaic attenuation
The term 'mosaic attenuation' is used to describe density differences between affected and non-affected lung
Mosaic attenuation ... adjacent to lung with air-trapping ... Diagnosis #Radiology #Pulmonary ... #CTChest #MosaicAttenuation ... #Differential #
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... without associated pulmonary ... usually contain air ... Diagnosis #Radiology #CTChest ... Cyst #Emphysema #Comparison
Appearance of Liver Lesions on Contrast Enhanced Ultrasound - Early arterial, Grayscale phase, Late arterial phase,
Liver Lesions on Contrast ... #POCUS #radiology ... #differential # ... diagnosis #comparison ... table #appearance #hepatology
It can be difficult to distinguish these three entities.
There are two diagnostic hints for further differentiation:
-
expiratory scans for air ... bronchiolitis with air ... Clinical #Radiology #CTChest ... MosaicAttenuation #Mosaic #Attenuation ... #Comparison #RadiologyAssistant