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Orbital drainage from cerebral arteriovenous malformations
N J Volpe1, M C Sharma, S L Galetta
1Department of Ophthalmology, Scheie Eye Institute, Philadelphia, Pennsylvania 19104, USA.
Neurosurgery
|April 14, 2000
Summary
Orbital drainage from cerebral arteriovenous malformations (AVMs) is rare, affecting 3% of patients. Symptoms can include visual pathway compression and orbital congestion, highlighting the importance of neuro-ophthalmic evaluation.
Area of Science:
- Neuro-ophthalmology
- Vascular Neurology
Background:
- Cerebral arteriovenous malformations (AVMs) are complex vascular lesions.
- Orbital drainage is an uncommon complication of cerebral AVMs.
Observation:
- A retrospective review identified 3 patients (3%) with orbital drainage from cerebral AVMs over a 4-year period.
- Clinical presentations varied, including chiasmal syndrome, transient visual obscurations, and asymptomatic findings.
Findings:
- Neuroimaging revealed AVMs causing mass effect on the optic chiasm or enlarged ophthalmic veins.
- Manifestations included optic atrophy, disc edema, and orbital congestion.
Implications:
- Orbital drainage from cerebral AVMs, though rare, can lead to significant neuro-ophthalmic deficits.
- Early recognition and evaluation are crucial for managing these patients.