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Nuclear Medicine


What is a Thyroid Scan?

A Thyroid Scan is a type of nuclear medicine imaging used to examine your thyroid - the gland that controls your metabolism.

This test evaluates your thyroid’s function and detects if there are any abnormalities found in the physical exam or laboratory tests. The following are the diseases that can be diagnosed through this procedure:

  • Lumps, nodules (cysts), or other growths
  • Inflammation or swelling
  • Overactive thyroid or hyperthyroidism
  • Underactive thyroid or hypothyroidism
  • Goiter, an abnormal enlargement of the thyroid
  • Thyroid cancer

What are the preparations?

There are no particular preparations to take days before the test. However, you will be asked to inform the physicians performing your exam of any medications you are taking and if you have allergies. You must also tell them if you’re pregnant, breastfeeding, or have taken a bismuth-containing medicine (i.e. Pepto Bismol or barium contrast X-ray).

On the day of the test, you will be encouraged to remove any jewelry or metal objects as they may interfere with the results.

What are the safety precautions after the treatment?

  • Close contact (less than 2 meters) with children (below 18 years old) and pregnant and lactating women is discouraged at least 6 hours after the procedure.
  • Increased fluid intake is encouraged after the procedure unless otherwise contraindicated by the physician.
  • After urinating, flush the toilet bowl or urinal thrice to avoid radiation exposure to the next user.

Frequently Asked Questions (FAQs)

The following foods should be avoided as they have high levels of iodine:

  • Is radiation exposure from the procedure dangerous?

The radiation dose used within Nuclear Medicine Department is quite lower compared to radiation exposure from common X-ray examinations. It can be less than complex radiologic examinations.

For appointments, please email us at nucmed.sfcmc@gmail.com or contact us at (043) 778 4811 loc 8824. You may also visit us on the Ground Floor of the Main Hospital Building from Mondays to Fridays, 8:00 AM to 4:00 PM.

Note: Because of the nature of the radioisotope used, we reserve the right to cancel all unconfirmed appointments without prior notice, eventually forfeiting deposits made.