Chordoma - thumbing the pons sign (illustration)

Case contributed by A.Prof Frank Gaillard

Chordomas have been described as projection posteriorly from the clivus like a thumb. Sort of like this. 

Original thumb image taken by David Benbennick and obtained from http://commons.wikimedia.org/wiki/Image:Thumbs_up.jpg.

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Case information

rID: 36088
Published: 30th Apr 2015
Last edited: 7th May 2018
Inclusion in quiz mode: Excluded

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