Knowledge of detailed anatomy of the skull base has allowed considerable progress and advances in surgical techniques. Knowledge of dural, bony, and neurovascular spatial relationships of the trochlear nerve has played a critical role in preventing complications during complex microsurgical and endoscope-assisted transcranial and endoscopic endonasal approaches to the supracerebellar region and middle cranial fossae, and to cavernous sinus, parasellar, and orbital regions. The trochlear nerve is long and thin, and the diplopia caused by its lesion due to imprudent surgical maneuvers can have tremendous effects on the patient. The anatomy of the trochlear nerve has been assessed and examined along its entire course from the midbrain to the orbit, in order to perform a classification, anatomically and clinically oriented, of its segments. The nerve has been divided into five segments according to the areas where it is located: cisternal, tentorial, cavernous, fissural, and orbital.

Anatomy of the Trochlear Nerve

IACONETTA, GIORGIO;
2015

Abstract

Knowledge of detailed anatomy of the skull base has allowed considerable progress and advances in surgical techniques. Knowledge of dural, bony, and neurovascular spatial relationships of the trochlear nerve has played a critical role in preventing complications during complex microsurgical and endoscope-assisted transcranial and endoscopic endonasal approaches to the supracerebellar region and middle cranial fossae, and to cavernous sinus, parasellar, and orbital regions. The trochlear nerve is long and thin, and the diplopia caused by its lesion due to imprudent surgical maneuvers can have tremendous effects on the patient. The anatomy of the trochlear nerve has been assessed and examined along its entire course from the midbrain to the orbit, in order to perform a classification, anatomically and clinically oriented, of its segments. The nerve has been divided into five segments according to the areas where it is located: cisternal, tentorial, cavernous, fissural, and orbital.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11386/4675293
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