Introduction: Neuroendocrine tumors lead to elevated chromogranin A levels and elevated serotonin markers (urinary 5HIAA and platelet serotonin). These markers are employed for diagnosis and monitoring.
Aim(s): To determine the clinical correlates of chromogranin A levels discrepant to serotonin markers.
Materials and methods: Chromogranin A, urine 5HIAA and platelet serotonin were evaluated in 143 patients with neuroendocrine tumors (grade 1 and 2) and neuroendocrine cancers (grade 3) from 2005 to 2015.
Conference: 14th Annual ENETS conference 2017 (2017)
Presenting Author: Dr Wim Meijer
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