ea0044p160 | Neuroendocrinology and pituitary | SFEBES2016
Calanchini Matilde
, Tadman Michael
, Krogh Jesper
, Fabbri Andrea
, Grossman Ashely
, Shine Brian
Introduction: In patients with neuroendocrine tumours (NETs), the urinary concentration of the serotonin metabolite 5-hydroxyindole acetic acid (5-HIAA) is used to monitor disease progression or response to treatment. The sensitivity and specificity in the presence of the carcinoid syndrome are approximately 70 and 90%, respectively. However, there are problems with the accurate meaurement of a 24-h collection, and this is often inconvenient for patients. In addition, serotoni...