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Question:

What does "prominent aortic knob" mean?

During a skeletal survey for multiple myeloma, the radiologist observed a "prominent aortic knob". Have not yet seen my doctor. What is this, and how dangerous? I am a 70 year old female with family history of aortic dissection.

submitted by Laura from Naples, Florida on 1/27/2014

Answer:

by Texas Heart Institute cardiovascular surgeon, Denton A. Cooley, MD  

Denton A. Cooley, MD, FACS, FACC, FCCPA prominent aortic knob signifies that the aorta is slightly elongated.  In some instances, it may indicate an aneurysm, but more often than not, it is unimportant.  I am not aware of any substantive relationship between multiple myeloma and a prominent aortic knob.

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Updated January 2014
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