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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
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Pulmonary edema #Diagnosis ... #Radiology #Pulmonary ... #HRCT #ChestCT ... #Differential #Table ... #Upper #Lower #RadiologyAssistant
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
#Diagnosis #Radiology ... Pulmonary #HRCT #ChestCT ... #Differential #Table ... Central #Peripheral #RadiologyAssistant
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
we describe a chest ... figger out what the pathology ... #Differential #Table ... Lung #Pulmonary #Diagnosis ... #Radiology
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
lesions than the chest ... can suggest the diagnosis ... #Clinical #Radiology ... #SepticEmboli #Cavity ... #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... low attenuation (table ... On a Chest X-Ray ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
The table on the left is the overall table for mediastinal masses.
In the next paragraphs we
The table on the ... Thyroid masses #Diagnosis ... #Pulmonary #Radiology ... Anterior #Middle #Posterior ... #RadiologyAssistant
On a normal lateral chest film the silhouette of the left diaphragm 2- can be seen
normal lateral chest ... can be seen from posterior ... One should be able ... #Clinical #Radiology ... SilhouetteSign #RadiologyAssistant
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
neuroexam - Oral cavity ... Stable patients ... one post op Cardiology ... change CV risk Chest ... stratification #diagnosis
Silhouette sign
This is a very important sign. It enables us to find subtle pathology and to
to find subtle pathology ... is located more posteriorly ... #Diagnosis #Pathophys ... #Radiology #Silhouette ... SilhouetteSign #RadiologyAssistant