Iodinated I-131 Serum Albumin

**Semantic type:** Pharmacologic Substance

**Definition:** A synthetic radiopharmaceutical in which human serum albumin (HSA) is radiolabelled with iodine 131. Upon intravenous injection, iodine-131 human serum albumin is slowly deiodinated in vivo, releasing radioactive iodide that is taken up by thyroid gland. Iodine-131 primarily emits beta particles and has a half-life of 8 days. (NCI04)

**Synonyms:** - Albumin Iodinated I-131 Serum - Albumin, Iodinated I 131 Serum - HUMAN SERUM ALBUMIN I-131 - I 131 HSA - Iodinated (131I) Human Serum Albumin - Iodinated I 131 Serum Albumin - Iodine-131 Human Serum Albumin