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Large diffuse arteriovenous malformation affecting the right cerebral and cerebellar hemispheres: case report
M Sagoh1, K Kodaki, K Ichikizaki
1Department of Neurosurgery, 2nd Tokyo National Hospital, Japan.
Surgical Neurology
|August 1, 1996
Summary
A rare cerebral vascular malformation caused left hemiparesis in a young man. Reduced cerebral blood flow in the right hemisphere was identified as the likely cause.
Area of Science:
- Neurology
- Vascular Neurology
- Neuroimaging
Background:
- Cerebral vascular malformations are rare conditions affecting blood vessels in the brain.
- Transient ischemic attacks (TIAs) present with temporary neurological deficits.
- Left hemiparesis involves weakness on the left side of the body.
Observation:
- A 24-year-old male presented with left hemiparesis mimicking a TIA.
- Cerebral angiography showed dilation of multiple cerebral arteries and medullary veins, particularly in the right hemisphere.
- The malformation was noted as a clinical rarity, potentially related to diffuse arteriovenous malformations.
Findings:
- Single photon emission computed tomography (SPECT) revealed decreased cerebral blood flow in the right cerebral hemisphere.
- This hypoperfusion correlated with the observed left hemiparesis.
Implications:
- This case highlights a rare presentation of cerebral vascular malformation.
- Understanding the link between vascular anomalies and reduced cerebral blood flow is crucial for diagnosis and treatment.
- Further research into similar rare vascular malformations may improve patient outcomes.