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  • Title: Endoscopic endonasal transseptal approach for localized sphenoid sinus diseases.
    Author: Hinohira Y, Hyodo M, Gyo K.
    Journal: Auris Nasus Larynx; 2009 Aug; 36(4):411-5. PubMed ID: 19019595.
    Abstract:
    OBJECTIVE: Surgery for localized sphenoid sinus disease can be performed in different ways. Direct (transnasal) and indirect (transethmoidal) approaches are now prevalent in endoscopic endonasal sinus surgery (ESS) because they are safe and effective. However, the identification or treatment of a sinus is occasionally difficult due to the anatomical variation, postoperative changes, or other reasons. In such difficult cases, we currently used an endoscopic endonasal transseptal approach (EETA) to the sphenoid sinus. The indications, procedures, and outcomes of this surgical method are presented here. PATIENTS AND METHODS: Six of 11 patients with localized sphenoid sinus disease (mycetoma, n=1; mucocele, n=5) were treated using EETA. Surgery was performed under local anesthesia in all subjects. Following endoscopic conventional septoplasty, the sphenoid sinus was opened by perforating the anterior wall through the septoplasty wound. The sphenoid disease was treated through this opening, and then drained to the nasal cavity. RESULTS: The patients operated on using EETA had no surgical complications or disease recurrence, and the use of navigation or fluoroscopy systems was not required. The mean follow-up period of the patients was 27.7 months (range 18-48 months). Follow-up management included endoscopic examination and computed tomography. CONCLUSIONS: A transseptal approach to the sphenoid sinus with a sublabial incision was once frequently performed in pituitary surgery. We modified the transseptal approach as EETA with the use of an endoscope and endonasal incision. This approach is practical and reliable for ESS, and may serve as an alternative for difficult-to-manage sphenoid sinus disease. EETA can be performed in the office as it can be achieved under local anesthesia without a navigation system.
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