ea0018p2 | (1) | MES2008
May Simon
, Peaston Robert
, Perros Petros
Although 24 h urinary 5-hydroxyindolacetic acid (5-HIAA) concentration is a well established test for the detection and monitoring of carcinoid tumours, compliance, adequacy of collection and the influence of dietary sources of serotonin are problems associated with this approach. Recently, a random urinary 5-hydroxyindolacetic acid creatinine ratio (R/5-HIAA/cr) test has become available which can be used in outpatient departments, however its correlation to 24 h 5-HIAA (24/5...