Case Report

From ACTH-Dependent to ACTH-Independent Cushing’s Syndrome from a Malignant Mixed Corticomedullary Adrenal Tumor: Potential Role of Embryonic Stem Cells

Figure 2

(a) Macroscopic view of the excised tumor. (b) Hematoxylin and eosin stain of the tumor (10x) showing three cellular patterns: “A” corresponds to the medullary neuroendocrine component, “C” corresponds to the cortical component, and “B” shows cells of an intermediate phenotype. (c, d) Double-label immunohistochemistry, with antibodies to CgA linked to horseradish peroxidase (brown) and antibodies against inhibin linked to alkaline phosphatase (red).
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