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Arteriovenous Malformation (AVM) Patient Story

MRI scans of a 14-year-old girl’s brain showed a large arteriovenous malformation (AVM) on her right frontal lobe, caused by multiple seizures. The girl’s case was presented to a leading neurovascular center, where it was recommended that no treatment be performed due to the high risk involved. Needless to say, the girl and her family were devastated by this news and the fact that the risk of hemorrhage from the “inoperable” AVM would be 2 to 4 percent per year for the rest of her life.

Miraculously, however, Norton Neuroscience Institute neurosurgeons were able to shut down the blood supply to the AVM. The patient underwent surgery to remove the vessels and experienced minimal blood loss. Repeat angiograms showed total cure. She went home two days later and was back at school in 10 days.

Removal process:

  • MRI shows a giant right frontal AVM (arrow)

Angiogram confirms a giant right frontal AVM (arrow)

Angiogram shows no AVM filling Onyx cast denoted by arrow

Embolization with Onyx: Shutting down the blood supply


AVM before AVM embolized with Onyx
Angiogram after surgical resection shows cure


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