FNA Quiz 21 A 65 year-old man presented to his primary care physician with complaints of abdominal pain and 30-pound weight loss over the preceding six months. Imaging studies revealed a 3.0 cm mass in the head of the pancreas and a 2.5 cm well-circumscribed nodule in the right adrenal gland. CT-guided fine needle aspiration biopsy of the adrenal nodule was performed. Based on the cytologic features present below, the BEST diagnosis is:

A Ganglioneuroma.

B Pheochromocytoma.

C Adrenocortical carcinoma.

D Metastatic adenocarcinoma.

E Adrenocortical nodule/adenoma.