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Hypersensitivity towards iodinated contrast agent is associated with increase in histamine and tryptase concentration in blood. [5] Diphenhydramine (Benadryl) 50 mg orally or intravenously one hour before contrast administration can reduce the risk of urticaria , angioedema , and respiratory symptoms.
Iodine-125 is a radioactive isotope of iodine that decays by electron capture with a physical half-life of 60.14 days. The biological half-life in normal individuals for iodine (125 I) human albumin has been reported to be approximately 14 days. Its radioactivity is excreted almost exclusively via the kidneys.
It is useful for identifying the size of the tumour, whether it is unilateral or bilateral, and how much radiation is required for treatment. Iodine-131, Iodine-123, and technetium-99m pertechnetate are all used for this. Pertechnetate is the most commonly used due its low cost, quick uptake, and short half-life. Scintigraphy can also be used ...
Iodine is a chemical element with many uses in medicine, depending on the form. Elemental iodine and iodophors are topical antiseptics. [2] Iodine, in non-elemental form, functions as an essential nutrient in human biology (see iodine in biology). [3] Organic compounds containing iodine are also useful iodinated contrast agents in X-ray imaging ...
Iodine-125 is the only other iodine radioisotope used in radiation therapy, ... capture of 125 I also emits a much lower-energy ... to detect blood ...
Iodine-131 (131 I) is the most common RNT worldwide and uses the simple compound sodium iodide with a radioactive isotope of iodine. The patient (human or animal) may ingest an oral solid or liquid amount or receive an intravenous injection of a solution of the compound.
An embolic material is then injected to restrict blood supply to the tumor. [12] "Transarterial radioembolization" (TARE) is a similar procedure where the anticancer drug is radioactive. An experimental version of TARE uses iodine-131-labeled lipiodol. The radioactive lipiodol is attracted to the tumor, much like regular lipiodol.
Iodine-125 (125 I) is a radioisotope of iodine which has uses in biological assays, nuclear medicine imaging and in radiation therapy as brachytherapy to treat a number of conditions, including prostate cancer, uveal melanomas, and brain tumors. It is the second longest-lived radioisotope of iodine, after iodine-129.