(DIAGNOSTIC IMAGING, Greg Freiherr) -- They are nearly microscopic, yet ganged together they can pack a big punch. They are microbeads embedded with radioisotopes and infused into body parts containing cancer tumors. The idea is to surround and destroy the tumor. The problem is making sure the microbeads stay put. SPECT/CT can provide the information to make it work.
This novel form of radiotherapy, called radiomicrosphere therapy, offers new hope for patients with inoperable hepatic metastases or unresectable primary liver tumors (hepatocellular carcinoma or cholangiocarcinoma). The tiny beads packed with yttrium-emitting radioisotope might also buy some additional time for patients waiting for liver transplants by preventing tumor.
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