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Intradural arteriovenous malformation (AVM). (A) A sagittal cervical image using gradient-echo MR imaging showing spinal intramedullary hemorrhage (white arrow). (B) An antero-posterior angiogram showing intramedullary glomus AVM. (C) A sagittal thoracic image using T2-weighted MR imaging showing intradural and vertebral flow voids (white arrow). (D) An antero-posterior angiogram of the thoracic intercostal artery showing intramedullary juvenile AVM.
