B. Sc Radiotherapy Technology 3rd Year
(BF/2017/09)
Radiotherapy Planning Techniques (Brachytherapy)

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)

a. Caesium 137
b. Double plane implant
c. Decay of brachytherapy sources
d. Radium mass equivalent
e. Exposure rate calibration
2. Attempt any one. Both questions carry equal marks.

a. Quimby system of brachytherapy. [15]

OR

b. Surface mould in treatment of various anatomical sites. [15]
Section

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

a. HDR.
b. Point B
c. ICRU 38
d. Ring applicators
e. MUPIT

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

a. TG43 dose calculation for brachytherapy.
OR

b. CT planning in HDR brachytherapy.