Principles of Radiation Therapy
In gynecology, radiation therapy is most commonly used for which of the following?
c. Epithelial ovarian cancer
d. Gestational trophoblastic neoplasia
Which is a clinically used radionuclide?
Linear accelerators can produce which of the following?
a. Photon and electron beams
b. Photon beams and gamma rays
c. Neutron beams and gamma rays
d. Electron beams and gamma rays
When electromagnetic radiation impacts target tissues, this energy is transferred to the target tissues by several mechanisms. Which of the following mechanisms is shown here?
Reproduced, with permission, from Nguyen PD: Principles of Radiation Therapy. In Hoffman BL, Schorge JO, Schaffer JI, et al
(eds): Williams Gynecology, 2nd ed. New York, McGraw-Hill, 2012, Figure 28-4B.
For treatment of inguinal lymph node metastasis, which of the following modalities is preferred due to its energy-transfer properties?
c. Intracavity brachytherapy
d. Interstitial brachytherapy
When quantifying the absorbed dose of electromagnetic radiation, which of the following units of measure is currently preferred?