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Mediastinal masses are discussed in more detail in Mediastinal masses.
Here is just a brief overview. #Diagnosis
#Diagnosis #Radiology ... Differential #Table #Anterior ... #Middle #Posterior ... #RadiologyAssistant
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 ... Differential #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
Lung Ultrasound: Cardiogenic Pulmonary Edema vs ARDS
Cardiogenic Pulmonary Edema:
 • Smooth pleural line
 • AIS >
Lung Ultrasound: ... homogenous • Often anterior ... and posterior. ... pulmonary #edema #comparison ... #clinical #diagnosis
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Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
nodules shown on HRCT ... making an accurate diagnosis ... #Diagnosis #Radiology ... Perilymphatic #Comparison ... #Diagram #RadiologyAssistant
There is a large pericardial effusion, which is located posteriorly to the left ventricle (blue arrow).
The
which is located posteriorly ... Notice that on the anterior ... explains why the ultrasound ... #Clinical #Radiology ... PericardialEffusion #RadiologyAssistant
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
interpretation of HRCT ... bronchiectasis) #Diagnosis ... #Radiology #Pulmonary ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
) Differential diagnosis ... show very similar HRCT ... #Radiology #CTChest ... #UIP #Comparison ... Fibrosis #Mimic #ILD #RadiologyAssistant
The table on the left is the overall table for mediastinal masses.
In the next paragraphs we
Thyroid masses #Diagnosis ... #Pulmonary #Radiology ... Differential #Table #Anterior ... #Middle #Posterior ... #RadiologyAssistant
Silhouette sign
This is a very important sign. It enables us to find subtle pathology and to
heart is located anteriorly ... is located more posteriorly ... #Diagnosis #Pathophys ... #Radiology #Silhouette ... SilhouetteSign #RadiologyAssistant