Ampulla of Vater Small Cell Neuroendocrine Carcinoma - CISMeF
Ampulla of Vater Small Cell Neuroendocrine CarcinomaNCIt concept
Preferred Label : Ampulla of Vater Small Cell Neuroendocrine Carcinoma;
NCIt synonyms : Ampullary Small Cell Carcinoma; Ampulla of Vater Small Cell NEC; Small Cell Neuroendocrine Carcinoma of the Ampullary Region; Ampulla of Vater Small Cell Carcinoma;
NCIt definition : An aggressive high-grade carcinoma with neuroendocrine differentiation that arises
from the ampulla of Vater and is composed of malignant small cells. The mitotic count
is more than 20 per 2 mm2 and/or the Ki-67 index is more than 20%.;