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PubMed This is a summary of 60 peer-reviewed journal articles Updated
Oncology · Gastric Neuroendocrine Tumor

Gastric Neuroendocrine Tumors: A Comprehensive Patient Guide

At a Glance

Gastric neuroendocrine tumors (G-NETs) are rare stomach tumors classified into three distinct subtypes. Because each type requires a unique treatment approach, obtaining a complete pathology report and consulting a specialized neuroendocrine tumor center is essential for optimal care.

Receiving a diagnosis of a gastric neuroendocrine tumor (G-NET) can feel paralyzing. You are likely hearing medical terms you have never encountered before, and navigating a rare disease means you might have to advocate for yourself more than you would with a more common condition.

This guide is designed to empower you. It breaks down the complex medical information into a clear, strategic playbook so you can understand your diagnosis, ensure your pathology report is complete, and partner effectively with your medical team.

How to Use This Guide

We recommend reading the sections in order, as each concept builds upon the last. However, if you are looking for specific information, you can jump directly to the relevant section:

01

Your Path Forward: Understanding a Gastric NET Diagnosis

Learn what a gastric neuroendocrine tumor (G-NET) diagnosis means. Understand the differences between Types 1, 2, and 3, and your best treatment options.

02

The Diagnostic Puzzle: Essential Tests for Gastric NETs

Learn about essential diagnostic tests for gastric neuroendocrine tumors (G-NETs). Understand biopsies, gastrin blood tests, pH levels, and DOTATATE scans.

03

The Three Types: Why Your Subtype Defines Your Journey

Learn about the three main types of gastric neuroendocrine tumors (G-NETs). Understand how Type 1, 2, and 3 differ in causes, gastrin levels, and prognosis.

04

Decoding Your Pathology: Grading and Staging Your G-NET

Learn how to read your gastric neuroendocrine tumor (G-NET) pathology report. Understand Ki-67, mitotic rate, differentiation, and staging for your care.

05

Treatment Strategies: Matching Care to Your Tumor Type

Learn about standard treatment options for Gastric Neuroendocrine Tumors (G-NETs). Understand therapies for Type 1, 2, and 3 tumors to ensure the best care.

06

Living Well with G-NETs: Long-Term Monitoring and Survivorship

Learn what to expect during G-NET survivorship. Understand long-term monitoring for gastric neuroendocrine tumors, managing nutritional needs, and scanxiety.

Common questions in this guide

Should I see a specialist for a gastric neuroendocrine tumor?
Because gastric NETs are rare, it is highly recommended to have your case reviewed by a multidisciplinary tumor board that includes a neuroendocrine specialist. A specialized center has the specific experience needed to properly manage this unique condition.
Are there different types of gastric NETs?
Yes, there are three distinct subtypes of gastric neuroendocrine tumors. Knowing your specific subtype is critical because it defines your disease behavior and determines which standard treatment strategy is right for you.
What information is important in my gastric NET pathology report?
Your pathology report should clearly detail your tumor's grade and stage. It is also crucial that the report identifies which of the three G-NET subtypes you have, as this directly informs your medical team's treatment plan.

Questions to Ask Your Doctor

Curated prompts to bring to your next appointment.

  1. 1.Is my case being reviewed by a multidisciplinary tumor board that includes a neuroendocrine specialist?
  2. 2.Should I be referred to a specialized neuroendocrine tumor (NET) center for my care?
  3. 3.Who will be the primary 'quarterback' of my care team going forward?

Questions For You

Tap a prompt to share your answer — we'll use it plus this page's context to start a tailored conversation.

This guide provides educational information about gastric neuroendocrine tumors. It is not a substitute for professional medical advice, diagnosis, or treatment from your specialized neuroendocrine care team.

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