title: Evaluation of vascularization of coralline hydroxyapatite ocular implants by magnetic resonance imaging.
abstract: A coralline hydroxyapatite orbital implant may be placed after ocular enucleation or evisceration. It must be vascularized to support epithelialization of a hole drilled in its anterior face for insertion of a motility peg. We used gadolinium-DTPA enhanced magnetic resonance imaging (MRI) of the orbits of two patients to assess fibrovascular penetration into their implants. MRI provides a reliable determination of implant vascularization and greater anatomic detail than 99m technetium-MDP bone scanning.
authors.affiliation: Department of Radiology, University of South Alabama Medical Center, Mobile 36617.
authors.forename: H E
authors.initials: HE
authors.lastname: Hamilton
authors.forename: M D
authors.initials: MD
authors.lastname: Christianson
authors.forename: J P
authors.initials: JP
authors.lastname: Williams
authors.forename: R A
authors.initials: RA
authors.lastname: Thomas
mesh_terms: D000293:Adolescent; D000328:Adult; D017886:Durapatite; D015353:Eye Enucleation; D005137:Eye, Artificial; D005260:Female; D019786:Gadolinium DTPA; D006801:Humans; D006882:Hydroxyapatites; D008279:Magnetic Resonance Imaging; D008297:Male; D009915:Orbit / Q000098:blood supply; D009942:Organometallic Compounds; D004369:Pentetic Acid; D019736:Prostheses and Implants
chemical_list: D006882:Hydroxyapatites; D009942:Organometallic Compounds; D004369:Pentetic Acid; D017886:Durapatite; D019786:Gadolinium DTPA