Pheochromocytoma in the organ of Zuckerkandl with distant skeletal metastases - A case report.

Pheochromocytomas are rare catecholamine-secreting neuroendocrine tumors that originate from chromaffin cells in the adrenal medulla. They cause severe hypertension and various clinical manifestations. While most arise in the adrenal medulla, some occur in extra-adrenal locations.