Summary
The relationships of VII and VIII cranial nerves and related arteries are reviewed in 26 preparations by microdissection techniques. These vessels may be grouped in large (AICA, PICA), medium (LA, SA, CSA, RPI) and small calibre (vasa nervorum, radicullar and medullar branches). The importance of these structures in acoustic neuroma surgery, vestibular neurectomy and cross-compression syndromes is discussed. “Vascular loops” and “elongated arteries” are normal structures present at birth.
Résumé
En utilisant des techniques de microdissection, on a étudié les artères de l'angle ponto-cérébelleux en relation avec les nerfs crâniens VII et VIII dans 26 préparations. Les vaisseaux peuvent être classés en grand (AICA, PICA), moyen (LA, SA, CSA, RPI) et petit calibre (vasa nervorum, br. radiculaires et br. médullaires). On discute l'importance de ces structures dans la chirurgie du neurinome, les neurectomies vestibulaires et les syndromes par conflit vasculo-nerveux. On établit que les «boucles vasculaires» et les «artères élonguées» sont des structures normales présentes à la naissance.
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This work was supported by a grant from the AJ Roemmers Foundation
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Brunsteins, D., Ferreri, A. Microsurgical anatomy of VII and VIII cranial nerves and related arteries in the cerebellopontine angle. Surg Radiol Anat 12, 259–265 (1990). https://doi.org/10.1007/BF01623700
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DOI: https://doi.org/10.1007/BF01623700