then mIBG scintigraphy (for a mass >2 cm) or MRI (for a mass <2 cm), should be performed next, regardless of whether such a lesion was a paraganglioma or a pheochromocytoma. For the long follow-up ...

In view of the array of symptoms, the patient was referred for medical evaluation of a suspected pheochromocytoma, a neuroendocrine tumor of the adrenal gland. He underwent 24-hour blood pressure ...