MIBG (metaiodobenzyl guanithidine) is analogue to:: (A) Epinephrine, (B) Adenine, (C) Norepinephrine, (D) Guanine
Answer is C. Answer- (C) NorepinephrinePheochromocytoma can be localized using radioactive tracers including 131 I-or 123 l- metaiodobenzyl guanithidine (MIBG), 111 ln-somatostatin analogues, or 18 F-dopa (or dopamine) Positron-emission tomography (PET).