B. Sc Radiotherapy Technology 3rd Year
(BF/2017/09)
Recent Advances in Radiotherapy Techniques

M.M.: 80 Time: 3 Hours
Note: 1.) Attempt all questions.
2.) ATTEMPT BOTH PARTS IN SINGLE ANSWER BOOK ONLY.
3.) NO SUPPLEMENTARY SHEET SHALL BE ALLOWED/ PROVIDED
4.) The Student must write Q.P. Code in the space provided on the Title page of the Answer Book.

Section-A

1. Write about the following. (All the five questions are compulsory)
[5x5=25]
a. Clinical applications of x-knife.
b. Dose prescription criteria of gamma knife
c. Field matching in cancer breast
d. Advantages of PDR brachytherapy
e. Need of quality assurance in radiotherapy
2. Attempt any one. Both questions carry equal marks.
a. Which radioisotopes are used for brachytherapy what are their properties and advantages? Write in detail. [15]

OR

b. Write quality assurance procedures for Intensity Modulated Radiotherapy (IMRT) [15]

Section

3. Write about the following. (All the five questions are compulsory)

a. LDR, MDR, PDR HDR differences
b. Limitation of PDR brachytherapy.
c. Conformal radiotherapy
d. Asymmetric jaws
e. Circular Cones.

4. Attempt any one. Both questions carry equal marks.

a. Write in detail about the construction, design and working principles of gamma knife. [15]
OR

b. What is stereo tactic radio surgery stereo tactic radiotherapy? Explain in detail its uses and advantages. [15]