Pathology Core Pictures

Microscopic view (HE stain, Middle-power-view): Tumor cells are small, relatively uniform and organized in a trabecular or ribbon-like pattern. The delicate stroma contains rich capillaries, characteristic of the endocrine tissue of origin. Tumor cells are relatively uniform, have abundant cytoplasm and contain a round to oval nuclei with finely-granular chromatin and indistinct nuclei. Mitoses are rare.

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