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MIBG

Dr Ammar Ashraf and Dr Jeremy Jones et al.

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

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Cases and figures

  • Pheochromocytoma
    Case 1: pheochromocytoma
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  • Case 2: pheochromocytoma
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  • Case 3: thoracic neuroblastoma
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  • Case 4: adrenal ganglioneuroma
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  • Case 5: pheochromocytoma
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