电子显微镜下，嗜铬细胞瘤的瘤细胞内包含神经内分泌颗粒，颗粒内含儿茶酚胺，胞质内所见到的黑色圆形小体即为此种颗粒。细胞核位于左上面。
肾上腺嗜铬细胞瘤：大体一 大体二 显微镜一 显微镜二 电镜
By electron microscopy, the neoplastic cells of the pheochromocytoma contain neurosecretory granules. It is these granules that contain the catecholamines. The granules seen here appear as small black round objects in the cytoplasm of the cell. The cell nucleus is at the upper left.
