Case Report

Pheochromocytoma Presenting as Acute Heart Failure Leading to Cardiogenic Shock and Multiorgan Failure

Figure 2

Microscopic images showing pathologic slides of the excised pheochromocytoma (a) Pheochromocytoma predominantly consisting of pleomorphic chief cells with round, hyperchromatic nuclei (black arrow) adjacent to normal adrenal tissue (white arrow). (b) Higher magnification showing zellballen (nests) surrounded by a fibrovascular stroma, with the cells showing a typical “salt and pepper” chromatin and abundant granular amphophilic cytoplasm.
596354.fig.002a
(a)
596354.fig.002b
(b)