An Isolated Abnormal Chromogranin B Is Associated with Pancreato-Duodenal NETs and the Presence of Liver Metastases Abstract #1177

Introduction: Chromogranin B (CgB) is a soluble secretory protein like chromogranin A (CgA) that has been reported to be elevated in patients with neuroendocrine tumours (NETs) but is not routinely assessed.
Aim(s): This study explores whether an abnormal CgB paired with a normal CgA provides any useful clinical information in NET patients.
Materials and methods: A prospective NET database (01/2007-11/2014) was interrogated for paired radioimmunoassay CgA (two assays; normal <6 nmol/L & 60 pmol/L) and CgB (two assays, normal <3 nmol/L, <150 pmol/L) results.
Conference: 12th Annual ENETS Conference 2015 (2015)
Category: Biomarkers
Presenting Author: Ron Basuroy

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