Adrenal Collision Tumor: Coexistence of Pigmented Adrenal Cortical Oncocytoma and Ganglioneuroma

Figure 2

Histological findings of the patient. (a) The gross specimen shows a 2 cm dark-brownish mass (arrow) and a 4.5 cm whitish solid mass (arrowhead) within the adrenal cortex. (b) The 2 cm mass showed abundant eosinophilic, granular cytoplasm with variable sized brown pigments (40x). (c) The 4.5 cm mass showed fascicles of Schwann-like cells and some clusters of ganglion cells (40x).

(a)

(b)

(c)