1. A, Axial CT of a patient with bilateral DON and lack of fat prolapse through the superior ophthalmic fissure.
A, Axial CT of a patient with bilateral DON and lack of fat prolapse through the superior ophthalmic fissure. The positions of the superior ophthalmic fissures are shown by thin dashed lines. B, Axial CT of a patient without DON and showing bilateral fat prolapse through the ophthalmic fissure. The positions of the superior ophthalmic fissures are shown by thin dashed lines.
A.C.P. Gonçalves et al. AJNR Am J Neuroradiol 2012;33:
©2012 by American Society of Neuroradiology