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|Mar 10 2011, 6:48 PM EST (current)||M.J.Fuller||1 word added|
|Mar 10 2011, 6:46 PM EST||M.J.Fuller|
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The calcium sign is a finding on chest x-ray that suggests aortic dissection. It is the separation of the intimal calcification from the outer aortic soft tissue border by 10mm. (http://en.wikipedia.org/wiki/Aortic_dissection) This is not an important sign for radiographers given that it is rarely seen.
Plain film Appearance
The arrowed distance represents a normal aortic wall thickness The arrowed distance represents the aneurysmal wall thickness.