<unk>  is a hepatocellular carcinoma (HCC) treatment therapy that consists of millions of microscopic, radioactive glass microspheres (20-30 micrometres in diameter) being infused into the arteries that feed liver tumors, bathing the malignancy in high levels of 90Y radiation.  It is currently approved for patients as a neoadjuvant to surgery or transplantation by the US FDA and is being used at a number of clinical centers in the United States.
TheraSphere
Nephrotome
Dalkon Shield
Enzyte
Carbromal
Twinrix
Wart
Alloplant