iodine I 123

{
  "id": "MLC-T-ONC-014496",
  "term": "iodine I 123",
  "field": "Oncology and biomedicine",
  "definition": "A radioactive isotope of iodine, a nonmetallic element of the halogen group with an atomic mass of 123 and a half-life of 13.2 hours with radioisotopic activity. Selectively accumulating in the thyroid tissue, iodine I 123 emits gamma rays that can be detected with gamma scintigraphy, allowing localization of thyroid tissue. This agent may be used as a tracer in whole body scintigraphy (WBS) to localize thyroid carcinoma metastases.",
  "synonyms": [
    "I-123",
    "iodine 123"
  ],
  "references": [
    "National Cancer Institute Thesaurus"
  ],
  "url": "https://mlchart.com/terminology/oncology/iodine-i-123/"
}