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Related to oculomotor nerve: abducens nerve
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In the supraobital or pterional keyhole approaches, cavernous sinus tumor can be dissected by removing the anterior clinoid process or cut open the cavernous sinus along the oculomotor nerve.
In this article, we describe a rare manifestation of a sphenoid sinus mucocele as isolated oculomotor nerve palsy in a diabetic patient.
The medial aspect of the temporal lobe is forced downward over the tentorium, compressing the neighboring oculomotor nerve and resulting in ipsilateral pupillary dilatation, which is often followed by oculomotor ophthalmoplegia.
Although there are many reports of such tumours in the literature, initial presentation with oculomotor nerve palsy is uncommon (2-4) and does not appear to have been reported in a parturient.
The oculomotor nerve from the brain to the pupil was left intact.
Weber's syndrome was described by the German physician Hermann Weber in 1863 111 The clinical findings of classic Weber's syndrome include an ipsilateral oculomotor nerve palsy and a contralateral limb weakness due to a lesion in the midbrain (crus cerebri).
These include optic nerve, oculomotor nerve, trochlear nerve, abducens nerve, and the ophthalmic branch of the trigeminal nerve.
The carotico-clinoid and interclinoid ligaments are related to the internal carotid artery and oculomotor nerve.
The cavernous sinus contains several nerves, including ophthalmic and maxillary divisions of the trigeminal nerve, oculomotor nerve, trochlear and abducent nerves.
Because the oculomotor nerve also supplies the levator palpebrae superioris (LPS) muscle and has a parasympathetic component, it contains roughly five times as many axons (approx.
At the same time, an aberrant branch of the oculomotor nerve innervates the lateral rectus muscle.