Although elevated urinary catecholamine levels have been reported in 90–95% of patients with neuroblastoma, more recent studies of pediatric Horner syndrome caused by an underling neuroblastoma have ...

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

Catecholamines, like adrenaline and dopamine, are chemical messengers released in response to emotional or physical stress. Catecholamines prepare the body to take action. High or low levels can cause ...