J Korean Ophthalmol Soc.
1999 Apr;40(4):875-882.
MRI Findings of Orbital Hydroxyapatite Implants in Postoperative 5 months
- Affiliations
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- 1Department of Ophthalmology, College of Medicine, Yeungnam University, Taegu, Korea.
Abstract
- Fibrovascular ingrowth of 55 cases of intraorbital hydroxyapatite sphere was evaluated by magnetic resonance imaging about 5 months postoperatively at the Department of Ophthalmology, Yeungnam University College of Medicine from April 1993 through May 1998. Of them, evisceration was performed in 35 cases; enucleation in 14 cases, and secondary implantation in 6 cases. Fibrovascularization was classified into 4 groups by width and strength of enhancement, Grade 3-4 and 5 cases showed delayed fibrovascularization, Grade 1. Driling for peg could be performed within 1 month in the cases with Grade 3 fibrovasculariztion. In cases of delayed fibrovascularizated Grade 1 or Grade 2, driling should be performed after confirmation of complete fibrovascular ingrowth by repeated magnetic resonance imaging.
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