Abstract
Although well established in medical terminology, the term carcinoid is no longer adequate to cover the entire morphological and biological spectrum of neoplasms of the disseminated neuroendocrine cell system. Instead of "carcinoid," the WHO classification published in 2000 therefore uses the general terms' neuroendocrine tumor" and neuroendocrine carcinoma. "In relation to the localization and based on various morphological and biological criteria, benign neuroendocrine tumors are distinguished from tumors with uncertain malignant potential and tumors showing low-grade and high-grade malignancy. The tumor entities on which the new WHO classification is based are briefly discussed and the basic diagnostic pathways described.
Translated title of the contribution | Classification and pathology of the neuroendocrine tumors of the gastrointestinal tract and the pancreas |
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Original language | German |
Pages (from-to) | 570-579 |
Number of pages | 10 |
Journal | Onkologe |
Volume | 10 |
Issue number | 6 |
State | Published - Jun 2004 |
Externally published | Yes |