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Anterior communicating artery aneurysm presenting with vision loss
Dhaval P Shukla1, Dhananjaya I Bhat, Bhagavatula I Devi
1Department of Neurosurgery, National Institute of Mental Health and Neurosciences, Bangalore, India.
Journal of Neurosciences in Rural Practice
|November 20, 2013
Summary
A rare giant anterior communicating artery aneurysm caused vision loss in one eye and visual field loss in the other. This case highlights unusual neurological symptoms from this type of brain aneurysm.
Area of Science:
- Neurology
- Vascular Neurosurgery
- Ophthalmology
Background:
- Anterior communicating artery aneurysms (ACoAAs) are cerebrovascular abnormalities.
- Symptoms typically involve neurological deficits or subarachnoid hemorrhage.
- Compression of adjacent structures is an uncommon presentation.
Observation:
- A 65-year-old male presented with acute visual disturbances.
- The patient experienced complete vision loss in the right eye.
- He also exhibited left eye temporal hemianopsia, a partial loss of the visual field.
Findings:
- Diagnostic imaging revealed a giant aneurysm of the anterior communicating artery.
- The aneurysm was identified as the cause of the visual pathway compression.
- This finding is unusual for ACoAAs.
Implications:
- Giant ACoAAs can present with atypical neurological symptoms, including visual deficits.
- Early recognition of visual pathway compression is crucial for timely intervention.
- This case underscores the importance of considering vascular lesions in the differential diagnosis of sudden vision loss.
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