I-123 MIBG Scan: How to prepare and what to expect - 06/2023

This handout explains how to prepare for an I-123 MIBG nuclear medicine scan, which is used to check for neuroendocrine tumors (tumors that form in response to a signal from the nervous system), including pheochromocytomas in the adrenal glands. Included are how the scan works, what the patient may feel, and how to get the results.