Please find below the ENETS Consensus Guidelines for the Diagnosis and Treatment of Neuroendocrine Tumors. The Guidelines were published in Neuroendocrinology in 2006 and in 2008.

• Foregut introduction
• Gastrinoma duodenal pancreatic
• Insulinoma
• Liver metastases foregut midgut hindgut and unknown primary
• Midgut and Hindgut introduction
• Poorly differentiated carcinomas foregut gastric duodenal pancreatic
• Poorly differentiated endocrine carcinomas of midgut and hindgut origin
• Rare functioning pancreatic endocrine tumors
• Well-differentiated appendix goblet cell tumors
• Well-differentiated colon and rectum tumors
• Well-differentiated duodenal tumors
• Well-differentiated gastric tumors
• Well-differentiated jejunal-ileal tumors
• Well-differentiated pancreatic nonfunctioning tumors

Below are the TNM classifications for foregut, midgut and hindgut tumors, published in Virchows Archiv in 2006 and in 2007. Once you open the link, please click on the PDF logo to access the full article:

• TNM staging of foregut neuroendocrine tumors: A consensus proposal including a grading system: springerlink.com/content/73275014p722011q
• TNM staging of midgut and hindgut neuroendocrine tumors: A consensus proposal including a grading system: springerlink.com/content/7rjg872752462r55