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Cerebral arteriovenous malformations in children.
Brain & Development
|January 1, 1985
Summary
Pediatric arteriovenous malformations (AVM) present differently based on rupture status. Ruptured AVMs (RAM) typically cause sudden intracranial hemorrhage, while unruptured AVMs (URAM) show chronic, milder symptoms.
Area of Science:
- Pediatric Neurology
- Neurosurgery
- Radiology
Background:
- Arteriovenous malformations (AVM) are complex vascular anomalies.
- Understanding clinical differences between ruptured and unruptured AVMs in children is crucial for diagnosis and management.
Purpose of the Study:
- To compare the clinical features of ruptured arteriovenous malformations (RAM) and unruptured arteriovenous malformations (URAM) in pediatric patients.
Main Methods:
- Retrospective case series comparing clinical presentations, age at onset, and imaging findings.
- Analysis of six children with RAM and three with URAM.
Main Results:
- Age at onset: Neonatal to 8 years for URAM vs. 10 to 12 years for RAM.
- RAM presented with sudden intracranial hemorrhage, whereas URAM showed chronic symptoms like developmental delay, focal deficits, or increased intracranial pressure.
- CT scans revealed evenly enhanced AVMs and ventricular dilatation in URAM, while RAMs were angiographically smaller than URAMs.
Conclusions:
- Clinical presentation significantly differs between ruptured and unruptured pediatric AVMs.
- Early recognition of subtle URAM symptoms may aid in preventing catastrophic rupture.