Nuclear Medicine Thyroid Scan
Purpose: The Thyroid Scan is an imaging procedure used to check the size and function of your thyroid gland. A Thyroid Scan is performed over a two day period.
Preparation: Patients should not have a thyroid scan if they have had
- a contrast study, such as a CT scan, in the last 3-8 weeks should not have a thyroid scan.
- a Nuclear Medicine scan within the 2 weeks prior to the scheduled appointment.
You will be instructed to be off of all thyroid medications 2-4 weeks leading up to your scan. Thyroid lab levels will be drawn before your scheduled appointment.
On day 1, you should not have anything to eat, drink, smoke or chew at least 4 hours prior to receiving your capsule. Prior to your exam, Nuclear Medicine Technician will explain the procedure and answer any questions you have. If you think you are pregnant, please tell the technologist before your exam.
What to Expect:
Day 1: You will be given a capsule containing a small amount of radioactive iodine which will be absorbed by your thyroid gland. After the capsule has been administered, you must wait 1 hour before eating. You will need to return in 24 hours for images to be taken of your thyroid.
Day 2: You will return to the Imaging Services Department at your scheduled time. The Nuclear Medicine Technician will position you on your back and instruct you to lie still while the images are acquired.
Post Exam Information: Your images will be reviewed by a Radiologist and the results of your exam will be forwarded to your physician. Your physician will be able to discuss the results of your exam with you.
Time Frame: Day 1: 15 minutes
Day 2: 1 hour
Contact for additional information: Rusk County Memorial Hospital Imaging Services Department at 715-532-5561 extension 244.