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  • Title: Hydroxyapatite orbital implant after enucleation--experience with 200 cases.
    Author: Shields JA, Shields CL, De Potter P.
    Journal: Mayo Clin Proc; 1993 Dec; 68(12):1191-5. PubMed ID: 8246621.
    Abstract:
    The recently introduced hydroxyapatite orbital implant was designed to provide improved motility of the prosthesis in patients who have undergone enucleation. To date, little has been written about the use of the hydroxyapatite orbital implant in eyes that harbored malignant neoplasms. We have performed hydroxyapatite orbital implantation in approximately 200 patients, including children as young as 1 month of age, who underwent enucleation primarily for malignant intraocular tumors. During a median follow-up of 24 months, no cases of orbital hemorrhage, orbital infection, implant extrusion, or implant migration have occurred. Three patients have had conjunctival erosion, which was successfully repaired. Motility of the socket and fornices has been excellent, and all patients have cosmetically satisfactory motility of the prosthesis. Use of the hydroxyapatite implant has had no adverse effect on the clinical course of the intraocular neoplasms, and it has not hindered postoperative evaluation for recurrent orbital tumor. Overall, the hydroxyapatite orbital implant seems to be well tolerated, provides improved motility of the prosthesis, and is associated with few complications.
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