Clinical Correlates of Discrepant Results of Chromogranin a versus Serotonin Markers in Patients with Neuroendocrine Tumors

#1917

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 ENETSConcerence (2017)

Presenting Author: Meijer W

Authors: Meijer W, Bruikman C, Beukeveld G,

Keywords: neuroendocrine tumors, chromogranin A, urinary 5HIAA, platelet serotonin,

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