Arteriovenous malformation presenting as a symptomatic,

World Neurosurg · Feb 2020

Case Reports

Arteriovenous malformation presenting as a symptomatic, enlarging and contrast-enhancing mass 12 years after being treated with embolization and radiotherapy.

Gross total resection of arteriovenous malformations (AVMs) of the central nervous system confirmed by formal angiography is accepted as a cure for patients. In some cases, this may not be possible. Even though in these cases other treatment modalities such as endovascular embolization and radiotherapy can be used, long-term follow-up is lacking in the literature. ⋯ The patient subsequently presented (12 years later) with a symptomatic, enlarging, contrast-enhancing mass at the same location that was angiographically occult but ultimately proven to be an AVM on a background of reactive changes on pathology.

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- Brannan E O'Neill, Kutluay Uluc, Matthew D Wood, Jerry Jaboin, Justin S Cetas, Jeremy Ciporen, and Aclan Dogan.
- Department of Neurological Surgery, Oregon Health & Science University, Portland, Oregon, USA.
- World Neurosurg. 2020 Feb 1; 134: 45-49.
BackgroundGross total resection of arteriovenous malformations (AVMs) of the central nervous system confirmed by formal angiography is accepted as a cure for patients. In some cases, this may not be possible. Even though in these cases other treatment modalities such as endovascular embolization and radiotherapy can be used, long-term follow-up is lacking in the literature.Case DescriptionHere we report a case of a 57-year-old woman with history of a right-sided parieto-occipital/periatrial AVM, initially treated with a combination of endovascular embolization and radiotherapy.ConclusionsThe patient subsequently presented (12 years later) with a symptomatic, enlarging, contrast-enhancing mass at the same location that was angiographically occult but ultimately proven to be an AVM on a background of reactive changes on pathology.Copyright © 2019 Elsevier Inc. All rights reserved.

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Arteriovenous malformation presenting as a symptomatic, enlarging and contrast-enhancing mass 12 years after being treated with embolization and radiotherapy.

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