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Golden S sign – a chest radiograph sign of right upper lobe collapse due to an obstructing central mass. The margin of the collapsed upper lobe forms a reverse S shape (blue line) as the peripheral lung collapses with a concave outline while the more central lung maintains a convex margin around the mass. The sign is highly suggestive of primary lung cancer and should prompt further investigation with CT.
from our tumblr blog
http://radiologysigns.tumblr.com/
Image may be NSFW.
Clik here to view.
Image may be NSFW.Clik here to view.
