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Kainz, J; Stammberger, H.
Danger areas of the posterior nasal base: anatomical, histological and endoscopic findings].
Laryngorhinootologie. 1991; 70(9): 479-486. Doi: 10.1055/s-2007-998081
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Leading authors Med Uni Graz: Kainz Josef; Stammberger Heinz
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Abstract:: In 52 cadaveric half-heads and endoscopic sphenoethmoidectomy was performed. Subsequently an anatomical preparation with registration of specific data like bulging of the optic canal, thickness of the bony wall covering the optic nerve and the internal carotid artery was achieved, followed by histological sections in specially selected cases. Thus the two key areas of major surgical hazard in the posterior rhinobasis could be clearly demonstrated: the immediate topographic relation of the optic canal and the internal carotid artery to the lateral wall of the sphenoid sinus and the cells of the posterior ethmoid, respectively. Onodi cells of varying degrees were found in 42% of all cases. The thickness of bony wall over the maximum bulging of the optic canal averaged 0.28 mm. Bony dehiscences could be demonstrated in 12% of the cases. The technique of data acquisition, the anatomical and histological findings as well as their clinical and surgical relevance are discussed.
Find related publications in this database (using NLM MeSH Indexing): Endoscopy - adverse effects Endoscopy - methods; Ethmoid Sinus - anatomy & histology Ethmoid Sinus - injuries; Humans -; Iatrogenic Disease -; Sphenoid Sinus - anatomy & histology Sphenoid Sinus - injuries