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Abstract #3941

MRI for vitrectomized eyes

Jan-Willem Beenakker1,2

1C.J. Gorter Center for High-Field MRI, Leiden University Medical Center, Leiden, Netherlands, 2Department of Ophthalmology, Leiden University Medical Center, Leiden, Netherlands

Retinal detachment is a common complication of ocular tumours and is treated by replacing the original vitreous liquid with a silicon oil (SiOil). This SiOil hinders regular ophthalmic imaging, preventing follow-up after radiotherapy. MRI could offer the necessary imaging, but the strong off-resonance of SiOil impedes normal scan protocols. We determined the MR-characteristics of SiOil and developed a corresponding MR-imaging protocol. This protocol was evaluated on an eye tumour patient, who also suffered from retinal detachment. The protocol resulted in high quality MR-images of the eye, allowed a diagnosis of the multiple ocular lesions and averted surgical removal of the eye.

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