FINAL EXAM NATIONAL BOARD OF EXAMINATIONS
DECEMBER 2017

POSSESSION/USE OF CELL PHONES OR ANY SUCH ELECTRONIC GADGETS IS NOT PERMITTED INSIDE THE EXAMINATION HALL.
RADIOTHERAPY
PAPER II
RTH/D/17/41/II
Time 3 hours
Max. Marks 100
Important instructions:
• Attempt all questions in order.
• Each question carries 10 marks.
• Read the question carefully and answer to the point neatly and legibly.
• Do not leave any blank pages between two answers.
• Indicate the question number correctly for the answer in the margin space.
• Answer all the parts of a single question together.
• Start the answer to a question on a fresh page or leave adequate space between two answers.
• Draw table/diagrams/flowcharts wherever appropriate.
Write short notes on:
1. In breast cancer radiotherapy, write notes on:
Present status of irradiation of axilla
Partial versus whole breast irradiation
Hypofractionated versus conventional irradiation
Prone versus supine patient position
Electrons versus photons
2x5
2. Radiotherapy in carcinoma cervix:
Elective para-aortic irradiation of lymph nodes:
role, dose, portals
Brachytherapy versus IMRT boost: Evidence
EBRT portals of pelvic irradiation

3. Hemibody irradiation
Intra-operative radiotherapy
Photodynamic therapy

4. Describe the radiotherapy volume portals for irradiation
of:
Carcinoma nasopharynx
Unilateral maxilla with orbital margin destruction
Both maxilla with nasal cavity involvement

5. What are the advantages disadvantages of:
Conventional Radiotherapy
3-D CRT
IMRT
IGRT
SRT
2x5
FINAL EXAM NATIONAL BOARD OF EXAMINATIONS
DECEMBER 2017

POSSESSION/USE OF CELL PHONES OR ANY SUCH ELECTRONIC GADGETS IS NOT PERMITTED INSIDE THE EXAMINATION HALL.
6. Prophylactic cranial irradiation in leukemia
Prophylactic cranial irradiation in small cell lung
cancer
Oophorectomy in premenopausal breast cancer

7. Discuss the effects of radiation on
CNS
Kidneys
Heart

8. Forward planning in radiotherapy
Inverse planning in radiotherapy
5+5
9. Discuss recent advances in organ preservation with
special reference to:
Head neck cancers
Sarcoma of extremity
5+5
10. Mention the common brain tumours in:
i. Supratentorial region
ii. Infratentorial region
Indications of:
i. Whole brain irradiation
ii. Craniospinal irradiation