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Venous anomalies and associated lesions
J Pryor1, A Setton, A Berenstein
1The Institute for Neurology and Neurosurgery, Beth Israel Health Care System, Singer Division, New York, New York 10128, USA.
Neurosurgery Clinics of North America
|July 27, 1999
Summary
Developmental venous anomalies (DVAs) are an overdevelopment of the brain's normal venous system, not a lesion. Occlusion during treatment of associated conditions can cause venous infarction in normal brain tissue.
Area of Science:
- Neurology
- Vascular Neurology
- Neuroimaging
Background:
- Developmental venous anomalies (DVAs) represent an exaggerated normal venous collector system within the central nervous system.
- DVAs are distinct from vascular lesions and are frequently associated with various neurological conditions.
Purpose of the Study:
- To elucidate the nature and clinical significance of developmental venous anomalies (DVAs).
- To highlight the potential complications associated with DVAs and their management.
Main Methods:
- Review of existing literature on DVAs.
- Analysis of associated vascular and nonvascular conditions.
- Evaluation of clinical outcomes following interventions for associated lesions.
Main Results:
- DVAs are malformations of the venous collector system, not true vascular lesions.
- Associations include tumors, demyelinating diseases, arteriovenous malformations (AVMs), and cavernous malformations.
- Occlusion of DVAs during treatment of associated conditions can lead to significant venous infarction.
Conclusions:
- DVAs are developmental variations of venous drainage, not pathological lesions.
- Understanding DVA associations is crucial for managing neurological conditions.
- Iatrogenic or planned occlusion of DVAs poses a risk of venous infarction, impacting patient outcomes.