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WHO Classification of Tumours
Neuroendocrine tumor G1 (NET G1) / Carcinoid
Hypopharynx, Larynx and Trachea


Definition

Duodenal endocrine cell tumors are divided into five main groups: gastrin-containing G-cell tumors, somatostatin-containing D-cell tumors, other well-differentiated endocrine cell tumors, the gangliocytic paraganglioma, and /small cell carcinomas (poorly differentiated endocrine carcinomas). The term gastrinoma is reserved for G-cell tumors that produce hypergastrinemia and are the source of the Zollinger-Ellison syndrome. D-cell tumors are the type associated with the Psammomatous somatostatinoma of the ampulla of Vater and periampullary region
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Riddell RH, Petras RE, Williams GT, Sobin LH.
Tumors of the Intestines.
Atlas of Tumor Pathology, 3rd Series, Fascicle 32,
Armed Forces Institute of Pathology: Washington, DC 2003




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Hamilton SR, Aaltonen LA (Eds.)
World Health Organization Classification of Tumours. Pathology and Genetics of Tumours of the Digestive System.
3rd Edition
IARC Press: Lyon 2000



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