Total lateral orbitotomy

Orbit
Jonathan W KimRobert A Goldberg

Abstract

The goal of this study was to evaluate the safety and efficacy of performing a total lateral orbitotomy (TLO) to enhance the surgical exposure of the deep orbit. Ten orbits of five fresh-frozen cadaver heads were dissected to evaluate TLO surgical techniques. Through an eyelid approach, a bone flap extending from the supraorbital nerve to the infraorbital nerve was removed to enhance exposure to the orbital apex. The surgical exposure was further augmented by removing bone with the high-speed burr from the greater wing of sphenoid bone along the deep lateral wall. Anatomic landmarks that identified various compartments within the lateral wall and orbital roof were noted and measured. Five patients with posterior orbital tumors underwent TLO utilizing extended bone flaps and their surgical results and clinical outcomes were recorded. The findings from this study demonstrate that the entire orbital rim from the supraorbital nerve to the infraorbital nerve may be removed without damaging critical neurovascular structures or creating a dural defect. Strategic removal of bone from the deep lateral wall can further enhance the exposure to the orbital apex. Five patients with deep orbital lesions underwent TLO with excellent surgical ...Continue Reading

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Citations

Jun 23, 2011·Der Ophthalmologe : Zeitschrift der Deutschen Ophthalmologischen Gesellschaft·W MaierA L Grosu
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