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Ency. home > Disease > C > Cranial mononeuropathy III - compression type

Cranial mononeuropathy III - compression type   

Overview | Symptoms | Treatment | Prevention

Alternative names:

Third cranial nerve palsy

Definition:

Cranial mononeuropathy III - compression type is a disorder resulting in double vision and eyelid drooping, associated with decreased function of cranial nerve III.

Causes and Risks

Cranial mononeuropathy III - compression type is a mononeuropathy (damage to a single nerve) involving the third cranial (oculomotor) nerve, one of the cranial nerves that controls eye movement. Damage is usually caused by compression of the nerve from localized lesions or swelling in the area of the nerve.

Specific causes include tumors or other lesions (especially tumors located at the base of the brain and pituitary gland), trauma, infections, infarction (tissue damage from loss of blood flow), some cerebral aneurysms, other vascular malformations, sinus thrombosis and disorders such as mononeuritis multiplex.

On rare occasions, people with migraine headaches may demonstrate a temporary type of oculomotor nerve involvement, probably because of spasm of the blood vessels. In some cases, no cause can be found.

Ency. home > Disease > C > Cranial mononeuropathy III - compression type

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