Radiology Key

Keigo Osuga Pushable coils have been widely used for mechanical occlusion of peripheral and visceral vessels because they are relatively inexpensive, easily available, and simple to handle. Since the original…

Craig Greben • Eric J. Gandras • Jason J. Naidich Guido Guglielmi, the father of the detachable coil, stated that the development of this device was the result of the…

Susie J. Park • Gary P. Siskin Throughout this textbook, there are several chapters that focus on the embolic agents used for embolization and many more chapters focusing on the…

Krishna Kandarpa Surgically unresectable metastases confined to the liver are the life-limiting component of disease for many patients with melanoma, whether ocular or cutaneous in origin. Hepatic metastases are present…

Julius Chapiro • Rafael Duran • Jean-François Geschwind Intrahepatic cholangiocarcinoma (IHC) is the second most common primary hepatic neoplasm after hepatocellular carcinoma.1 With an annual incidence of 5,000 new cases…

Sang Joon Park Percutaneous embolization has become a common procedure to treat acute bleeding and vascular abnormalities. A permanent occlusion can be created with an embolization procedure with various embolic…

Jordan C. Tasse • Bulent Arslan • Ulku Cenk Turba Sclerosing agents represent another category of liquid embolic agents. They act by damaging endothelial cells, leading to an inflammatory fibrosis…

Alan D. Birney • Gary P. Siskin Since 1974, polyvinyl alcohol (PVA) particles have been used as a particulate agent for embolization procedures.1 However, as experience was gained with this…

Ajita Deodhar • John A. Kaufman Polyvinyl alcohol (PVA) is one of the oldest, particulate embolic materials providing inexpensive, permanent occlusion of blood vessels. It is a water-soluble, colorless synthetic…