digestive system neuroendocrine tumor, grade 1/2

Rare Disease

MONDO:0000386

Also Known As

alimentary part of gastrointestinal system neuroendocrine tumoralimentary part of gastrointestinal system neuroendocrine tumourdigestive system NETdigestive system neuroendocrine tumordigestive system neuroendocrine tumourdigestive system well differentiated neuroendocrine tumordigestive system well differentiated neuroendocrine tumourgastroenteropancreatic NETgastroenteropancreatic neuroendocrine tumorgastroenteropancreatic neuroendocrine tumourgastrointestinal NETgastrointestinal neuroendocrine tumorgastrointestinal neuroendocrine tumorsgastrointestinal neuroendocrine tumourgastrointestinal neuroendocrine tumoursgastrointestinal system neuroendocrine tumorgastrointestinal system neuroendocrine tumourmalignant gastrointestinal neuroendocrine tumormalignant gastrointestinal neuroendocrine tumourGINET

Definition

A well-differentiated neuroendocrine tumor arising from the digestive system. It is characterized by the presence of cells with features similar to those of the normal endocrine cells of the digestive system. The neoplastic cells express immunohistochemical evidence of neuroendocrine differentiation and hormones. There is mild to moderate nuclear atypia and less than 20 mitoses per 10 HPF. It includes well-differentiated endocrine tumors or carcinoid tumors and well-differentiated endocrine carcinomas.