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Arteriovenous malformation associated with a large cyst--case report
S Hatashita1, A Tajima, K Takeuchi
1Juntendo University Urayasu Hospital, Chiba.
Neurologia Medico-Chirurgica
|June 1, 1995
Summary
Arteriovenous malformations with cysts can be surgically treated. Repeated micro-hemorrhages from the cyst
Area of Science:
- Neurology
- Neurosurgery
- Pathology
Background:
- Arteriovenous malformations (AVMs) are complex vascular anomalies.
- Cystic components associated with AVMs require specific management strategies.
Observation:
- A 37-year-old male presented with a left temporal lobe AVM and a large associated cyst.
- The patient underwent surgical intervention involving cyst drainage and nidus excision.
Findings:
- Histological examination revealed neovascular channels within the cyst membrane.
- Evidence suggested repeated subclinical hemorrhages from these channels contributed to cyst growth.
Implications:
- This case highlights a potential mechanism for AVM-associated cyst expansion.
- Understanding hemorrhage patterns is crucial for managing complex AVMs.