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Percutaneous Biopsy of Retrobulbar Masses: Anatomical Considerations and MRI Guidance
Faramarz Edalat1,2, Roberto Luigi Cazzato3, Julien Garnon3
1Department of Interventional Radiology, Nouvel Hôpital Civil (Hôpitaux Universitaires de Strasbourg, HUS), 1 Place de l'Hôpital, 67000, Strasbourg, France. faramarz.edalat@gmail.com.
Purpose:
Obtaining adequate tissue from retrobulbar masses remains a challenge. To this end, a new method of retrobulbar mass biopsy using MRI guidance is presented.
Materials And Methods:
Two patients (7- and 71-year-old male) with indeterminate retrobulbar masses underwent bioptic and cytological samplings using MR-compatible 18G and 20-22G needles, and multi-planar MR fluoroscopy. An inferior approach was taken to avoid injury to the optic nerve and ophthalmic arteries.
Results:
The two biopsies were completed without complication. The core biopsy resulted in a final diagnosis, whereas the cytological sampling was non-diagnostic.
Conclusion:
Percutaneous MR-guided retrobulbar mass biopsy proved to be feasible and safe in the two cases described in this report.
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