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  • Title: Overcorrection of a Medial Orbital Wall Fracture Using the Endonasal Approach.
    Author: Hwang K, Kim HM.
    Journal: J Craniofac Surg; 2016 Oct; 27(7):1837-1838. PubMed ID: 27483095.
    Abstract:
    Although the endonasal approach is frequently used, and the inadvertent displacement of a bone fragment into the orbital cavity is possible, no reports have yet described the overcorrection of medial orbital wall fractures using the endonasal approach. The authors report 2 patients of the overcorrection of a medial orbital wall fracture using an endonasal approach.In the first patient, a 26-year-old Chinese-Korean woman experienced a fracture of the right medial orbital wall without entrapment of the medial rectus muscle. Eleven days after the trauma, endonasal reduction was performed. Postoperative computed tomography revealed overcorrection of the medial orbital wall and lateral displacement of the medial rectus muscle. On postoperative day 19, exophthalmos of the operated side was still observed (o.d. 20 mm/o.s. 17 mm). In the second patient, a 25-year-old Korean man experienced a fracture of the left medial orbital wall without entrapment of the medial rectus muscle. Postoperative computed tomography showed overcorrection of the medial orbital wall and a laterally displaced medial rectus muscle. On postoperative day 4, exophthalmos of the operated side was observed (o.d. 23 mm/o.s. 26 mm).For fractures of the medial wall, surgery should be performed according to the recommended indications. When the endonasal approach is used to treat medial orbital wall fractures, great care is required in reducing the herniated orbital tissue and inserting the sheet to avoid overcorrection.
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