embolization of hemorrhagic renal angiomyolipoma complicated by arteriovenous shunting: a case report
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ID: 176420
2018
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Abstract
Arteriovenous shunting associated with angiomyolipoma is an unusual entity, which carries important implications to embolization approach. We present a distinctive case involving a 41-year-old woman who presented with retroperitoneal hemorrhage relating to renal angiomyolipoma. During angiography for urgent embolization, a complex vascular supply with arteriovenous shunting was encountered. Superselective embolization using alcohol or small particles is the standard approach to definitive treatment of symptomatic angiomyolipoma; however; their use is precluded in the setting of arteriovenous shunt hemodynamics. In this case, a 2-step approach was employed by which the initial hemorrhage was treated with proximal embolization using large gelatin foam and metallic coils. This resulted in decreased flow through the arteriovenous shunt, allowing the use high viscosity ethylene vinyl alcohol copolymer dissolved in dimethyl sulfoxide for definitive treatment. Keywords: Angiomyolipoma, Embolization, Arteriovenous shunting, AV shunting, AV fistula
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md2018radiologyembolization
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| Authors | ;Michael J. Mills, MD;John Nguyen, MD;Susan Jarosz, DO;Mehran Salari, MD;Patrick Hurley, MD |
| Journal | Thrombosis research |
| Year | 2018 |
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