iodine I 131 ethiodized oil

Definition / meaning of iodine I 131 ethiodized oil

A cytotoxic radioconjugate consisting of ethiodized oil, an iodinated ethyl ester derived from poppy seed oil, labeled with iodine 131 (I-131). Iodine I 131 ethiodized oil accumulates in hepatocellular carcinoma and hepatoblastoma tumor cells, resulting in targeted cytotoxicity to tumor cells while sparing surrounding normal cells and tissues.

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Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

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