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Eponymous & Descriptive Radiographic Signs

I was thinking it would be great to amass a collection of images that demonstrate some of the more obscure (or not so obscure) radiographic signs, especially since many of them I can't seem to find in textbooks or even on the internet. For example:

The Viking Helmet Sign (Pulmonary venous HTN)

Perhaps people can provide images and/or suggest other signs in which they need images.


Tags: signs

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Replies to This Discussion

Permalink Reply by Garry Choy, MD MSc on January 24, 2008 at 12:54pm
Great idea Dr. Ringler! I will see what I can find!
Permalink Reply by Michele Anzidei on January 24, 2008 at 3:22pm
It's a good initiative. Would you include only signs or even pathologies (i.e. Klatskin tumour, etc.) ?
Permalink Reply by Michele Anzidei on January 24, 2008 at 3:32pm
What about this (double duct sign), is it too common ???

Permalink Reply by Michael D. Ringler on January 24, 2008 at 6:21pm
Great contribution Michele! Good examples of more common signs are definitely welcome.
Permalink Reply by balachandran on April 11, 2009 at 11:08pm
Double duct sign is common.It can be seen in both ultrasound and C.T. scans.as well
Permalink Reply by Michael D. Ringler on January 31, 2008 at 4:53pm
Here is a good example of the "pseudo-Madelung deformity" of the wrist in a patient with Multiple Hereditary Exostoses (MHE). Courtesy of AFIP & Radiographics.

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Permalink Reply by Michael D. Ringler on January 31, 2008 at 6:29pm
Triangle of Raider (retrotracheal triangle)

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