Answer and Discussion of Quiz Set: K-003

1.    The following statements are true except which one?

A.  Pheochromocytomas are most common in the 4th and 5th decades of life.

B.  Pheochromocytomas can occur outside the adrenal gland.

C.  Pheochromocytoma is associated with hypertension.

D.  Pheochromocytoma can be part of the manifestation of multiple endocrine neoplasia syndrome type 2 (MEN2).

E.  Pheochromocytoma is one of the variants of adrenal cortical adenoma.

Answer and Discussion: The answer is (E). Adrenal pheochromocytoma arises from the adrenal medulla. It can also arise outside the adrenal gland. Adrenal cortical adenoma arises from the adrenal cortex.