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Quiz Set: K-003

Kar-Ming Fung, M.D., Ph.D.

1.    The following statements are true except which one?  Answer

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.

2.    The yellow to golden brown cut surface of adrenal cortical adenoma is typically resulted from which component of the tumor?  Answer

A.  Calcium depositions.

B.  Mucin secreted by the tumor cells.

C.  Lipid inside the tumor cells.

D.  Adipocytes admixed with the tumor cells.

E.  Fibrosis around tumor cells.

3.    Adrenal cortical tumors are positive for all of the following markers except which one?   Answer

A.  Melan A.

B.  Epithelial membrane antigen (EMA).

C.  Synaptophysin.

D.  Inhibin.

E.  Calretinin.

Last updated: December, 2, 2014. Contributed by Kar-Ming Fung, M.D., Ph.D.

Dept. of Pathology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, U.S.A.