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Evaluation of Biomatrix Hydroxyapatite Ocular Implants with Technetium-99m-MDP

Departments of Radiology and Ophthalmology, Emory University School of Medicine, Atlanta, Georgia

Correspondence: For correspondence or reprints contact: Andrew Taylor, Jr., MD, Department of Radiology, Emory University, 1364 Clifton Road, N.E., Atlanta, GA 30322.

ABSTRACT

Hydroxyapatite ocular implants appear to offer excellent cosmetic reconstruction with lower rates of infection and extrusion compared to other integrated implants. However, vascularization of the implant needs to be established before the artificial eye is attached to the implant. Technetium-^99mmethylene diphosphonate (MDP) scintigraphy can be utilized as a noninvasive method for determining the vascularity of the hydroxyapatite ocular implants. A case is presented in which ^99mTc-MDP uptake in the implant was deemed sufficient for further surgical intervention.