Parathyroid Scan

This test shows the function and appearance of the parathyroid glands.

A specialised camera is used to take pictures (scans) of your parathyroid glands.

A parathyroid scan is used in nuclear medicine to look at possible parathyroid gland problems (s). The parathyroids are four small hormone glands lying close to or embedded in the back surface of the thyroid gland, in the front of the neck.

The parathyroid scan uses sestamibi, a very safe liquid radioactive material injected into the body and absorbed by the overactive parathyroid but not by healthy parathyroids. The scan picks up an overactive (hyperactive) gland that produces excessive hormone on the pictures or images taken by a gamma camera (a type of machine or scanner used in nuclear medicine).


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