Pheochromocytoma Workup

A pheochromocytoma is a catecholamine-secreting tumor that arises from the chromatin cells of the adrenal medulla. Extraadrenal pheochromocytoma arise from the sympathetic ganglia and are referred to as catecholamine-secreting paragangliomas. These neoplasms are very rare, occurring in less than 0.2% of the patients. Most catecholamine-secreting tumors are sporadic and occur in the fourth to fifth … Continue reading Pheochromocytoma Workup