Urinary dopamine, levels can, predict the avidity of po, I]MIBG scintigraphy in unresectable or metastatic pheochromocytomas and, paragangliomas: A Preliminary Clinical Study. Urinary dopamine levels can predict the avidity of post-therapy [131I]MIBG scintigraphy in unresectable or metastatic pheochromocytomas and paragangliomas: A Preliminary Clinical Study. 2025