Intra-ocular silicone oil

Last revised by Dr Mohammadtaghi Niknejad on 20 Jul 2022

Intra-ocular silicone oil has been used as a vitreous replacement and for internal tamponade of complex retinal detachments.

Some reported side effects include glaucoma and corneal decompensation 1.

Radiographic features


Hyperatteunating on unenhanced CT with a reported average CT unit value of around 130 2. It appears well defined and generally of homogeneous density.

  • T1: hyperintense relative to water 2
  • T2

Differential diagnosis

In some situations, it may mimic a vitreous hemorrhage on CT.

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Cases and figures

  • Case 1
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  • Case 2
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  • Case 3: T2
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  • Case 4: complicated with rupture
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