Fever of Unknown Origin: Could It Be a Pheochromocytoma? A Case Report and Review of the Literature

<div><b>Pathology from left adrenal.</b> H&amp;E (100x). Classic pattern of small nests (zellballen) made up of polygonal neuroendocrine cells (chief cells). The nests are separated by interspersed small blood vessels and sustentacular cells.</div>

Case Reports in Endocrinology

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Figure 2

Figure 2: Fever of Unknown Origin: Could It Be a Pheochromocytoma? A Case Report and Review of the Literature 