Erschienen in:
16.09.2017 | Letter to the Editor (by Invitation) - Neurosurgical Anatomy
Petrobasilar, petroclival, or petrosphenoidal canal of the abducens nerve
verfasst von:
Gianfranco Pizzolorusso, Andrea Cirotti, Felice Pizzolorusso
Erschienen in:
Acta Neurochirurgica
|
Ausgabe 11/2017
Einloggen, um Zugang zu erhalten
Excerpt
In the recently published case report entitled
Anatomic variation of the abducens nerve in a single cadaver dissection: the ”
petrobasilar canal” we described the exceptional course of the abducens nerve, cranial nerve VI (CNVI) [
5]. Generally, CNVI exits the pontomedullary sulcus as a single trunk, ascending in a rostral and lateral direction to reach the petrous apex. At the petrous apex the nerve pierces the visceral dura, passing over the temporal bone and below the dural sheath of the petrosphenoidal ligament in most cases, with the exception that a branch of a duplicated CNVI or the nerve itself can course above the ligament [
1‐
4]. …