Las microesferas de resina SIR-Spheres® Y-90 son un dispositivo médico utilizado en la Radioterapia Interna Selectiva (SIRT). Las microesferas son perlas de resina extremadamente pequeñas (aproximadamente un tercio del diámetro de un cabello) que contienen el isótopo radiactivo itrio-90 (Y-90).

Las microesferas radiactivas se inyectan en la arteria principal que suministra a los tumores hepáticos, y por su pequeño tamaño y peso son llevadas por el flujo sanguíneo hasta los pequeños vasos sanguíneos que rodean el tumour, donde se alojan.

La radiactividad es entonces liberada directamente a las células tumorales para destruirlas.

 

 




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Effective May 7, 2021, SIR-Spheres will have the following indication for use:
SIR-Spheres Y-90 resin microspheres are indicated for the treatment of unresectable hepatocellular carcinoma (HCC) and unresectable metastatic liver tumors from primary colorectal cancer in patients refractory to or intolerant of chemotherapy.

Click here to view our Technical Bulletin.

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