Need to Know
Nice to Know
Frequently Asked Questions
Why is This Exam Done?
A nuclear medicine I 131 Metastatic survey Scan is used to detect areas of residual functioning thyroid tissue and thyroid cancer.
What Will Happen During the Exam?
A Nuclear medicine technologist will perform the exam.
The technologist will give you a capsule of a radioactive I 131. You will then be instructed to return for imaging 48 hours later and again 5 or 7 days later.
Imaging on both days will take approximately 1 hour.
The camera is open so you are not completely surrounded and the technologist may stay in the scan room with you. You will be asked to hold still but, you do not need to hold your breath.
How Should I Prepare?
Please wear comfortable clothing. Refrain from wearing jewelry.
Certain thyroid medications may need to be stopped prior to scheduling the procedure. Please consult with our scheduling department or your physician.
Food and Drink
You may eat and drink before and during the exam
What Are the Benefits and Risks?
The benefits of I131 Metastatic Survey Scan:
A useful tool as a follow-up for patients with known thyroid cancer