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 IV
RTH/D/17/41/IV
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. Principles of palliative care.
Management of brain metastases.
What is the role of corticosteroids and anticonvulsants
in brain metastases?

2. Respiratory dampened radiotherapy
Respiratory gated radiotherapy
4 DCT

3. Define radiocurability
Define radiosensitivity
Factors accounting for different radiosensitivities of
tumours.
Factors to overcome radioresistance.

4. Deterministic effects of radiation.
Stochastic effects of radiation.
5+5
5. Write the utility of each, giving examples:
Alpha particles
Beta particles
Gamma rays
X-rays
Carbon Ion Therapy
2x5
6. Technique of Total Body Irradiation
Indications of Total Body Irradiation
Acute effects of Total Body Irradiation.

7. Proto-oncogenes
Tumour suppressor genes
5+5
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.
8. Electron Arc Therapy
Cone beam systems and its relevance
Electron portal imaging devices
QA procedures for IMRT treatments

9. Role of following in diagnosis and RT planning, giving
suitable examples:
CT Scan
MRI
PET-CT
Conventional Imaging

10. Role of radiotherapy in:
Chromophobe adenoma pituitary
Thymoma
Oligodendroglioma gr. I II