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Neuroendocrine Carcinoma

slide 17 of 23

Comments:
Occasional mitotic figures are observed in this gastric neuroendocrine carcinoma. Prominent nucleoli are seen as well, dominating over the typical salt-and-pepper chromatin. While immunohistochemistry would confirm neuroendocrine origin, Ki67 proliferation rate should be higher than in carcinoid tumors.

slide 17 of 23