| 释义 |
total catecholamine test to·tal cat·e·chol·a·mine testa determination of catecholamines in 24-hour urine specimens; elevated values are seen in patients with pheochromocytoma and neuroblastoma.total catecholamine test A test used to identify catecholamine-producing tumors–eg, pheochromocytomas, and neuroblastoma; catecholamines are excreted in the urine in both free–unconjugated and bound–conjugated to glucuronide and sulfate forms. See Urinary free catecholamine test. |