Hyperthyroidism that has had iodine 131 should not get leukemia, and some studies have shown no increase in the incidence of leukemia after receiving iodine 131 treatment.
Radioactive iodine 131, which is a radiopharmaceutical, is an isotope of iodine that decays by half every 8 days (half-life of 8 days); the beta rays emitted when it decays are utilized to play a therapeutic role. Since the beta rays emitted by iodine 131 have a range of about 0.8 mm in biological tissues, they have little effect on surrounding tissues.
The chemical amount of iodine 131 used for thyroid iodine 131 uptake rate measurement is extremely small, and the commonly used radioactivity is 2 microcurie, which has no effect or harm on the human body, but of course, its use is strictly prohibited for pregnant and lactating women.
Overall, iodine 131 treatment for hyperthyroidism is a safe treatment option, but attention should be paid to the contraindications of iodine 131 treatment, which should be used under the guidance of a doctor.