Ecchordosis physaliphora

Case contributed by Dr Chris O'Donnell

Presentation

Right facial pain

Patient Data

Age: 60
Gender: Female
Modality: MRI

Cystic lesion in the prepontine cistern without enhancement or restricted diffusion extending into bone. 

Modality: CT

Bony margins of the defect are smooth, and clearly non-aggressive. 

Case Discussion

Absence of enhancement or restricted diffusion together with non-aggressive bony margins in this location is typical of an retroclival ecchordosis physaliphora, a notochord remnant. 

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Case Information

rID: 17509
Case created: 19th Apr 2012
Last edited: 28th Sep 2015
Inclusion in quiz mode: Included

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