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Iodine-131 (131 I, I-131) is an important radioisotope of iodine discovered by Glenn Seaborg and John Livingood in 1938 at the University of California, Berkeley. [3] It has a radioactive decay half-life of about eight days. It is associated with nuclear energy, medical diagnostic and treatment procedures, and natural gas production.
It is associated with increased risks of cervical lymph node metastasis, blunted response to radioactive iodine, and increased rates of local recurrence. [10] RasGTPase mutations are seen in 13% of papillary and 25-50% of follicular cancers and are associated with increased risk of vascular invasion and higher response to radioactive iodine. [10]
Allergies to povidone-iodine or shellfish do not affect the risk of side effects more than other allergies. [6] Use in the later part of pregnancy may cause hypothyroidism in the baby. [7] Iohexol is an iodinated non-ionic radiocontrast agent. [4] It is in the low osmolar family. [8] Iohexol was approved for medical use in 1985. [9]
The radiation effects from the Fukushima Daiichi nuclear disaster are the observed and predicted effects as a result of the release of radioactive isotopes from the Fukushima Daiichii Nuclear Power Plant following the 2011 TÅhoku 9.0 magnitude earthquake and tsunami (Great East Japan Earthquake and the resultant tsunami).
An accident at the Sosnovy Bor nuclear plant leaked radioactive iodine into the air through a ruptured fuel channel. February 20, 1996: Waterford, Connecticut, United States: Leaking valve forced shutdown of Millstone Nuclear Power Plant Units 1 and 2, multiple equipment failures found. 0: 254: September 2, 1996: Crystal River, Florida, United ...
Radioactive iodine-131 is a common fission product; it was a major component of the radioactivity released from the Chernobyl disaster, leading to nine fatal cases of pediatric thyroid cancer and hypothyroidism. On the other hand, radioactive iodine is used in the diagnosis and treatment of many diseases of the thyroid precisely because of the ...
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Iodine-123 (123 I) is a radioactive isotope of iodine used in nuclear medicine imaging, including single-photon emission computed tomography (SPECT) or SPECT/CT exams. The isotope's half-life is 13.2232 hours; [1] the decay by electron capture to tellurium-123 emits gamma radiation with a predominant energy of 159 keV (this is the gamma primarily used for imaging).