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  • Title: BLOWOUT FRACTURES OF THE FLOOR OF THE ORBIT.
    Author: MORTON WR, TURNBULL W.
    Journal: Can Med Assoc J; 1964 Jan 11; 90(2):58-61. PubMed ID: 14104152.
    Abstract:
    Blowout fractures of the orbit, a frequent complication of midfacial trauma, result from an increased intraorbital pressure which "blows out" the weakest area-the floor. Intraorbital fat and muscles herniated into the maxillary sinus, muscles incarcerated in the fracture, and the displaced orbital contents produce diplopia. After incarceration, elevation of the affected eye is impossible.Diagnosis is frequently difficult because initial intraorbital hemorrhage may limit mobility. Tomograms in the Waters' projection may show the fracture but frequently reveal only a cloudy antrum. The muscle traction test described herein is most helpful.The surgical correction aims at bridging the defect with Teflon or stainless-steel mesh or endogenous bone graft placed beneath the periosteum. Entry is gained through the lower lid. If repaired early, there is no functional loss and the repair is cosmetically excellent.
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