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Orbital implants and prostheses: postoperative computed tomographic appearance.

M E Gale, M E Vincent, F C Sutula

    AJNR. American Journal of Neuroradiology
    |May 1, 1985
    PubMed
    Summary
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    Computed tomographic (CT) scans reveal orbital implants and prostheses generally maintain symmetry post-surgery. Benign air collections and implant migration were noted, but CT imaging aids in assessing orbital implant placement and appearance.

    Area of Science:

    • Ophthalmology
    • Radiology
    • Medical Imaging

    Background:

    • Orbital implants and prostheses are used to restore appearance after orbital exenteration or enucleation.
    • Computed tomographic (CT) imaging is crucial for evaluating the position and integration of these devices.

    Purpose of the Study:

    • To assess the CT appearance of orbital implants and prostheses.
    • To correlate CT findings with surgical anatomy and potential complications.

    Main Methods:

    • Review of CT scans from 19 patients with orbital implants.
    • Analysis of implant position, symmetry, associated findings, and prosthesis fit.

    Main Results:

    • CT scans showed relative symmetry between the postoperative and native sides, excluding swelling.

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  • Benign air collections were common at implant/prosthesis interfaces or fornices.
  • Implant migration was identified in five patients; some implants were augmented with cartilage, silicone, or beads.

    • Conclusions:

    • CT imaging effectively visualizes orbital implants and prostheses.
    • CT can identify complications like implant migration and assess the fit of the orbital prosthesis.