Iodine 123 which is used for diagnostic imaging in the thyroid

Talk to your doctor about how to take your thyroid and other medicines. If you are getting Thyrogen injections, you can take your thyroid medicines.

Often you will stop these medicines before your test: Synthroid six weeks before and start taking Cytomel as prescribed by your doctor. Cytomel two weeks before. What to expect For this test, you will come to Nuclear Medicine for two visits, two days in a row. The thyroid cancer imaging requires 60 minutes to start on the first day in Nuclear Medicine and 90 minutes in Nuclear Medicine to complete on the next day. Day 1 Go to your primary clinic for lab studies. You will have a: Pregnancy test if you are of child-bearing age 11 to 54 TSH lab if you have been taken off your thyroid medicines Go to Nuclear Medicine at your scheduled time after your lab studies are done.

You will take capsules with a diagnostic dose of Iodine I There is no reaction to the I dose. This will take about 60 minutes. Day 2 Go to Nuclear Medicine for the I whole body scan.

The whole body scan is done using a special machine called a gamma camera. Check for errors and try again. Thank you for updating your details. Log In. Sign Up. Become a Gold Supporter and see no ads. Log in Sign up. Articles Cases Courses Quiz. About Recent Edits Go ad-free. Edit article. View revision history Report problem with Article. This discordance, however, would not have changed the patient treatment. No advantage was noted for delayed imaging at 48 hours; the hour images were satisfactory.

The I scans were of higher resolution than the I scans.