Pheochromocytoma is a catecholamine-producing tumor that originates from chromaffin cells of the adrenergic system, most commonly in the adrenal medulla. There are two main steps in the diagnosis of ...

Pheochromocytomas are neural crest-derived tumors that produce catecholamines, such as epinephrine and norepinephrine, and arise mainly from the adrenal gland. Closely affiliated tumors of ...

The First International Symposium on Pheochromocytoma, held in October 2005, included discussions about developments concerning these rare catecholamine-producing tumors. Recommendations were made ...

Spear and Griswald 9 reported the first case of a fall in blood pressure after the administration of dibenamine (N, N-dibenzyl-β-chloroethylamine) to a patient who proved at operation to have a ...

A new study warns that symptoms associated with rare CNS tumors could lead to a misdiagnosis of attention deficit hyperactivity disorder among pediatric patients. Pheochromocytoma and paraganglioma ...

Background A 46-year-old man presented with headaches, paroxysmal palpitations, anxiety and hypertension. The patient had undergone surgery for a retroperitoneal tumor at the age of 31 years, when ...

A discussion of present efficiency in the diagnosis of pheochromocytoma or of requirement for improved technics for diagnosis of this tumor is limited by one major gap in information at hand. It is ...

Most people with pheochromocytoma have high blood pressure (hypertension) because the tumor causes the adrenal gland to produce too much adrenaline or noradrenaline. Patients can have attacks of high ...