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Updated: Feb 15, 2026

Intracranial Pressure Monitoring In Nontraumatic Intraventricular Hemorrhage Rodent Model
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Recognizing intraventricular silicone.

Jonathan J Mayl1, Miguel A Flores2, John W Stelzer3

  • 1University of Central Florida College of Medicine, Orlando, FL, USA.

Emergency Radiology
|February 5, 2018
PubMed
Summary
This summary is machine-generated.

Silicone oil migration into the brain ventricles after eye surgery can mimic serious conditions on imaging. Accurate identification using MRI chemical shift artifact prevents misdiagnosis and unnecessary treatments.

Keywords:
Ectopic siliconeIntracranial siliconeIntraventricular siliconeTranslocation of siliconeVentricular siliconeVitrectomy

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Area of Science:

  • Neurology
  • Ophthalmology
  • Radiology

Background:

  • Silicone oil retinopexy is a common treatment for retinal detachment.
  • Intraventricular migration of intraocular silicone oil is a known complication.
  • Misidentification of migrated silicone oil can lead to unnecessary diagnostic workups and interventions.

Observation:

  • Silicone oil appears hyperdense on CT and hyperintense on T1-weighted MRI.
  • These imaging characteristics can mimic intracranial masses or hemorrhage.
  • MR imaging reveals characteristic chemical shift artifact, aiding in differentiation.

Findings:

  • A case is presented where intraventricular silicone oil was initially misidentified.
  • This misdiagnosis resulted in a prolonged hospital course for the patient.
  • The study highlights the importance of recognizing secondary imaging findings.

Implications:

  • Accurate diagnosis of intraventricular silicone oil is crucial to avoid patient harm.
  • Awareness of this complication can prevent unnecessary invasive procedures.
  • Radiologists and clinicians should consider prior silicone retinopexy in patients with intraventricular lesions exhibiting chemical shift artifact.