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  • Title: Ultrastructure of cortisol-secreting adrenal adenomata.
    Author: Robba C, Bonanni G, Meneghelli V, Ziliotto D, Mazzocchi G, Nussdorfer GG.
    Journal: Virchows Arch B Cell Pathol Incl Mol Pathol; 1980; 33(3):245-55. PubMed ID: 6110272.
    Abstract:
    Two adrenocortical adenomata causing Cushing's syndrome were examined by electron microscopy. Adenomatous cells were arranged in islets and contained ovoid nuclei with a prominent nucleoli. Mitochondria were polymorphic and displayed tubular and lamelliform cristae. Some cells were apparently devoid of lipid droplets and possessed an exceedingly well developed SER, the tubules of which were intermingled with small stacks of ribosome-studded cisternae, while other parenchymal cells contained large clumps of lipid droplets and scanty SER tubules. A conspicuous Golgi apparatus and many dense bodies of probable lysosomal nature were also observed. These findings suggest that the adenomata are derived from the zona fasciculata and that lipid-laden and lipid-free cells are, respectively, resting and actively secreting elements.
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