عضویت در سایت

discussion-presentation58

  • Pheochromocytomas are tumors arising from chromaffin cells, mainly of the adrenal gland, that synthesize, store, metabolize, and usually but not always secrete catecholamines.
  • prevalence of malignancy is commonly cited at about 10%, other estimates suggest rates of between 5–26% depending on how malignancy is defined