Thyroid Imaging With I-123 NaI And Tc-99m Pertechnetate

This tutorial provides 2 CEUs and is ideal for:

  1. Radiation Physicists. All 71.0 CEUs have been approved by CAMPEP for Medical Physics Continuing Education Credits.
  2. Nuclear Medicine and Radiology Technologists. The VOICE program of the Society of Nuclear Medicine and Molecular Imaging (SNMMI) has reviewed this program and approved it for a maximum of 71 continuing education hours. Because these tutorials have been approved by the VOICE Program, they are accepted for CE credit in all 50 states and by ARRT and NMTCB, even if you are not a VOICE/SNMMI member.
  3. Physicians requiring CME Credits to maintain IAC Accreditation. All 71.0 CME Credits have been approved by the IAC and are listed on the resources page of their website.

Proceed to the Tutorial: Thyroid Imaging with Radioiodide and Pertechnetate

Proceed to the Quiz: Thyroid Imaging with Radioiodide and Pertechnetate Quiz

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Thyroid Imaging with Radioiodide and Pertechnetate  :  2 CEU  

This tutorial gives an overview on thyroid imaging with I-123 and Tc-99m Pertechnetate

Objectives: Thyroid Imaging with Radioiodide and Pertechnetate 

Topics to be Covered:

  1. Overview of topic
  2. Indications for which study is performed
  3. Radiopharmaceutical, method of preparation, radionuclide used, quality control procedures, prescribed dose, route of administration, and clinical pharmacology
  4. Normal distribution of the drug
  5. Patient preparation
  6. Imaging protocols and parameters, instrumentation used
  7. Adverse reactions of the drug
  8. Internal radiation dosimetry

After completion of this tutorial, one should be able to:

  1. List several indications for performing a thyroid scan
  2. Identify the radiopharmaceuticals used, the route of administration, the typical prescribed dose, and the clinical pharmacology
  3. List several medications that can interfere with a thyroid scan following administration of I-123 NaI
  4. Describe imaging protocols and acquisition parameters for a thyroid scan and identify the most commonly used collimator.
  5. Identify normal and abnormal images
  6. Give a brief summary of internal radiation dosimetry following administration of Tc-pertechnetate and I-123 NaI

If you have taken one of the tutorials, received a score of 80% or above, and wish to receive CE credit: Make sure you submit all of the requested information when taking the test. It’s not necessary to send us the score sheets since we receive them electronically when you submit your answers for scoring.

Within 24 hours of receipt of your submitted score sheets and payment for the tutorial(s), we will do all of the following:

1. Send a certificate to you via e-mail
2. Send a certificate to you via US Mail
3. All members of the SNMMI will have to self-report their CE Credits on the SNMMI Website ( We will automatically send detailed self-reporting instructions to you along with your CE Credit Certificate.
If you have any problems with the self-reporting system, please contact the VOICE Coordinator directly at 703 708-9000. ).

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If the score is still <80%, please contact Dr. Karesh, Tutorials Coordinator, by e-mail at for further instructions.