Radiology Flashcards
1
Q
Explain silhouette sign
A
You get a silhouette when there are two different densities. This can be used diagnostically. E.g. the heart silhouette is lost if the lung is of the same density.
2
Q
What does pulmonary TB look like on an x-ray?
A
Nodules across the lung, of similar size and can be seen distinctly
3
Q
If the mediastinum is shown to be drawn to one side, what does that show?
A
Collapse on the side it is being pulled towards
4
Q
What is a peripheral tumour?
A
A tumour arising beyond the hilum
5
Q
What is a central tumour?
A
A tumour arising at or close to the hilum
