Devita, Hellman, and Rosenberg's Cancer

LWBK1006-28 LWW-Govindan-Review December 9, 2011 16:52

Chapter 28•Neoplasms of the Central Nervous System 387

Question 28.20. In adult patients diagnosed with ependymoma, the indication for adjuvant

radiation therapy after resection is:

A. Supratentorial location

B. High-grade tumors

C. Incomplete resection

D. Poor performance status

Question 28.21. In patients with anaplastic oligodendrogliomas which gene mutation is

an independent prognostic factors for overall survival?

A. IDH1

B. Alk

C. Myc

D. NF2