Radiology Rounds is a free monthly newsletter dedicated to providing physicians with concise, factual, and up-to-date information about radiology examinations and procedures. The newsletter addresses a wide range of topics including safety issues, appropriate use of imaging for both common and uncommon clinical situations, and interventional radiology treatments.

         
 
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RADIOLOGY ROUNDSCurrent Issue: February 2015

Yttrium-90 RadioembolizationYttrium-90 Radioembolization
Applications of radiation therapy from an external source are limited for tumors in the liver, which can only tolerate between 30 to 50 Gy before the development of significant radiation-induced liver disease; 90 to 100 Gy is required for effective treatment of liver tumors. These limitations can be overcome through the use of microspheres carrying yttrium-90 (Y-90), which are introduced via a catheter inserted into the hepatic artery and lodge in the capillaries of the tumor.

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