Thursday, February 27, 2014

Arrow Sign


This is a high resolution CT scan of a healthy 25 year old volunteer.

Challenge: What do the arrows refer to?

Image shown under Fair Use.

2 comments:

Alex said...

dependent atelectasis

Craig Chen said...

yep! you should be a radiologist :P
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Arrow Sign

The arrows show normal gravitational changes that lead to an increase in density in the posterobasal and laterobasal segments of the lower lobes.

Source: UpToDate.