Making your child’s test or procedure less stressful
Advice to help you and your family Understand the purpose of the test and what it involves It is normal…Read more
Thyroid scanning or scintigraphy is a procedure to image the thyroid gland.
99m-Tc pertechenetate is the radiopharmaceutical administered intravenously and imaged on a gamma camera.
Common indications for a thyroid scan include:
For further information and advice please contact your nuclear medicine department.
This study may not be suitable for pregnant women. The benefit versus risk should be discussed with the nuclear medicine specialist.
Radioisotope is secreted in breast milk. Women who are breast-feeding need to make special preparations after the test to stop breastfeeding for 24 hours. Expressing breast milk before the scan is an alternative option. For further information, see InsideRadiology: Nuclear Medicine.
There is no requirement to avoid close contact with small children after a thyroid scan.
There are no known associated risks, but the patient will be receiving a dose of ionising radiation (see InsideRadiology: Radiation risk of medical imaging for adults and children).
There are no post-procedural care requirements.
Ultrasound is routinely used in the characterisation of thyroid nodules and thyroid gland size.
CT or MRI gives additional information regarding retro-sternal extent and anatomical effects on adjacent structures.
Page last modified on 14/5/2018.
RANZCR® is not aware that any person intends to act or rely upon the opinions, advices or information contained in this publication or of the manner in which it might be possible to do so. It issues no invitation to any person to act or rely upon such opinions, advices or information or any of them and it accepts no responsibility for any of them.
RANZCR® intends by this statement to exclude liability for any such opinions, advices or information. The content of this publication is not intended as a substitute for medical advice. It is designed to support, not replace, the relationship that exists between a patient and his/her doctor. Some of the tests and procedures included in this publication may not be available at all radiology providers.
RANZCR® recommends that any specific questions regarding any procedure be discussed with a person's family doctor or medical specialist. Whilst every effort is made to ensure the accuracy of the information contained in this publication, RANZCR®, its Board, officers and employees assume no responsibility for its content, use, or interpretation. Each person should rely on their own inquires before making decisions that touch their own interests.