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Carcinoma, Neuroendocrine

A group of carcinomas which share a characteristic morphology, often being composed of clusters and trabecular sheets of round blue cells, granular chromatin, and an attenuated rim of poorly demarcated cytoplasm. Neuroendocrine tumors include carcinoids, small (oat) cell carcinomas, medullary carcinoma of the thyroid, Merkel cell tumor, cutaneous neuroendocrine carcinoma, pancreatic islet cell tumors, and pheochromocytoma. Neurosecretory granules are found within the tumor cells. (Segen, Dictionary of Modern Medicine, 1992)

Year introduced: 1994

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Tree Number(s): C04.557.465.625.650.240, C04.557.470.200.025.370, C04.557.580.625.650.240

MeSH Unique ID: D018278

Entry Terms:

  • Carcinomas, Neuroendocrine
  • Neuroendocrine Carcinoma
  • Neuroendocrine Carcinomas

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