is there any difference between a paraganglioma and a pheochromocytoma?

Yes. Paraganglioma is usually treated surgically and does not make any substances that cause side effects..Like a pheo does...These tumors reak havoc on the person raising blood pressure, heart rate, etc and are sometimes very hard to locate.
Paraganglioma def: A rare, usually benign tumor that develops from cells of the paraganglia. Paraganglia are a collection of cells that came from embryonic nervous tissue, and are found near the adrenal glands and some blood vessels and nerves. Paragangliomas that develop in the adrenal gland are called pheochromocytomas. Those that develop outside of the adrenal glands near blood vessels or nerves are glomus tumors.

Related Questions

Is there any difference between a paraganglioma and a pheochromocytoma?

Yes and no. The mayo clinic calls a praganglioma a pheo that did not form from the adrenals. Most people believe they are separate, with a paraganglioma usually in the neck or bones, always benign and probably inherited from one or both parents. It usually presents as a large mass. Pheos can be asymptomatic but produce hormones tha can affect blood pressure and heart. While usually benign they can be cancerou. Read more...
Very similar. The two are closely related and both originate from the same kind of cell (chromaffin cells) but pheochromocytomas secrete catecholamines (adrenalin and noradrenalin) while paragangliomas generally do not. Read more...