Cerebral vascular malformations can be classified by histopathology into 4 major types: Arterio-venous malformations (AVMs) Venous angiomas (developmental venous anomalies) Capillary telangiectasias and Cavernous malformations Arterio-venous malformations (AVMs) are congenital vascular lesions due to dysregulated angiogenesis. They are most often solitary but rarely could be multiple, ...

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