MIBG scan is a scintigraphic study that uses metaiodobenzylguanidine, norepinephrine analog, labeled to iodine-123 or iodine-131. It is indicated in the investigation of pheochromocytoma.

MIBG is positive in:

Some mild uptake can be physiologic in 4:

  • liver
  • salivary glands
  • urinary bladder 
  • heart
  • gastrointestinal tract
  • adrenal glands
  • brown fat 

Cardiac imaging studies with MIBG labeled to radio-iodine may be useful in the evaluation of cardiac toxicity from chemotherapy 5-8.

Imaging technology

Article information

rID: 9024
Synonyms or Alternate Spellings:
  • Metaiodobenzylguanidine scan
  • Metaiodobenzylguanidine imaing

ADVERTISEMENT: Supporters see fewer/no ads

Cases and figures

  • Pheochromocytoma
    Case 1: pheochromocytoma
    Drag here to reorder.
  • Case 2: pheochromocytoma
    Drag here to reorder.
  • Case 3: thoracic neuroblastoma
    Drag here to reorder.
  • Updating… Please wait.

     Unable to process the form. Check for errors and try again.

     Thank you for updating your details.