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Optic disc changes with intracranial subarachnoid cysts.

H Conn, R R Tenzel, J L Smith

Journal of Clinical Neuro-Ophthalmology

|September 1, 1982

Summary

Unusual optic disc swelling, characterized by chronic swelling, microvessels, and leakage, was observed in two patients with intracranial subarachnoid cysts. These findings occurred despite no clinical signs of increased intracranial pressure.

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Area of Science:

Ophthalmology
Neurology
Radiology

Background:

Optic disc changes can indicate various neurological conditions.
Intracranial subarachnoid cysts are fluid-filled sacs within the subarachnoid space.
Differentiating causes of optic disc swelling is crucial for accurate diagnosis.

Observation:

Two patients presented with ophthalmoscopically unusual optic disc changes.
The optic discs exhibited chronic swelling, surface microtelangiectatic vessels, and fluorescein leakage.
Neither patient showed clinical evidence of increased intracranial pressure.

Findings:

Computed tomography (CT) revealed intracranial subarachnoid cysts in both patients.
The optic disc abnormalities were associated with these cysts.
This suggests a potential link between subarachnoid cysts and atypical optic disc presentation.

Implications:

This case report highlights a rare association between optic disc changes and intracranial subarachnoid cysts.
It emphasizes the importance of considering neuroimaging in cases of unexplained optic disc swelling.
Further research may elucidate the pathophysiology linking these conditions.

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