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A case report of intraoperative retroorbital fluid dissection after frontal mini-trephine placement


  • An institutional review board exemption waiver was provided by the study's institute; Wilford Hall Medical Center. The authors have no other funding, financial relationships, or conflicts of interest to disclose.



We report a case of a 24-year-old male with a history of allergic fungal sinusitis, who experienced an intraoperative retro-orbital fluid dissection after frontal mini-trephine placement. Although mini-trephination of the frontal sinus is a useful technique that is frequently employed during endoscopic sinus surgery, it has potential complications. The purpose of this report is to discuss a previously unreported complication of frontal mini-trephination and its management. Laryngoscope, 123:2969–2971, 2013

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