MIBG
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:
- neuroblastoma
- carcinoid tumor
- paraganglioma
- medullary thyroid carcinoma
- ganglioneuroma
- ganglioneuroblastoma
Some mild uptake can be physiologic in :
- 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.
Siehe auch:
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