Gastroenteropancreatic Neuroendocrine Tumours

Abstract

Neuroendocrine tumors (NET) are rare neoplasms and can be functional or non-functional. The treatment of NET is complex and should be managed by an experienced multidisciplinary team. The only chance of cure is complete tumor resection. No validated tumour markers for screening for NET exist; however, chromogranin A (CgA) is recommended as a general tumor marker and for follow-up. Follow-up depends on primary tumor localization, grading and classification.