Ethylene vinyl alcohol copolymer (Onyx®) in peripheral interventional radiology: Indications, advantages and limitations

Onyx® is a remarkable liquid embolizing agent that may allow a well-trained operator to undertake challenging embolization procedures. In multiple interventional radiology indications, the physico-chemical properties of Onyx® allow safe embolization. The purpose of this article is to review the advantages and disadvantages of Onyx® and identify its main indications.