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  • Title: [Preservation of olfaction in bifrontal craniotomies for lesions of the anterior and middle cranial fossa].
    Author: Knopp U, Sepehrnia A.
    Journal: Laryngorhinootologie; 2005 May; 84(5):319-22. PubMed ID: 15909242.
    Abstract:
    OBJECTIVE: The preservation of the olfactory tract during bifrontal approach for lesions located in the frontal skull base and the supra- and parasellar region has not previously been investigated. METHODS: In our study 12 patients underwent surgery for various lesions via the basal subfrontal route. All patients were observed prospectively, olfaction testing was performed pre- and postoperatively by an independent otorhinolaryngologist. RESULTS: We obtained complete preservation of the olfactory tracts and normal postoperative olfaction in all 12 cases. CONCLUSION: The bifrontal approach allowed a bilateral, wide operative field with excellent orientation and views of important structures. The shortcoming of this method, damage of the olfactory tracts and postoperative anosmia can be overcome.
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