Terumo Interventional Oncology Division presents HydroPearl, a precise answer to a challenge in interventional oncology. HydroPearl are PEG (polyethylene glycol), biocompatible, compressible, non-drug-loadable and precisely calibrated embolisation microspheres. Available in a wide, color-coded range of sizes. Due to its composition, HydroPearl offers excellent properties and a very tight calibration. HydroPearl microspheres are intended to occlude blood vessels for therapeutic or adjunctive purposes in: hypervascularized tumors; hepatocellular carcinomas; uterine fibroids; benign prostatic hyperplasia; peripheral arteriovenous malformations; tumors of the neck, torso and skeletal system; bleeding, trauma and pre-operative reduction of bleeding.