Pheochromocytoma: The Ten-Percent Tumor

Written by James Norman MD, FACS, FACE

Pheochromocytomas are often referred to as the "ten percent tumor" because they do many things about ten percent of the time. The following is a fairly exhaustive list of these characteristics:

10 percent of all Pheochromocytomas are:

Here's a look at the extra-adrenal sites of pheochromocytomas: