FINAL EXAM NATIONAL BOARD OF EXAMINATIONS
JUNE 2017

POSSESSION USE OF CELL PHONES OR ANY SUCH ELECTRONIC GADGETS IS NOT PERMITTED INSIDE THE
EXAMINATION HALL.
RADIOTHERAPY
PAPER II
RTH/J/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. Latest FIGO staging system for cancer of endometrium.
What is the role of radiation in Stage I Ca endometrium?
6+4
2. Techniques of post-mastectomy external radiation.
How are the adjacent fields matched?
6+4
3. Enumerate the technical steps of Stereotactic Body Radiotherapy
(SBRT) in a flowchart.
When is SBRT used in lung cancers?
What T and N stage lung cancers are suitable for SBRT?
Strategies for manpaging motion in SBRT for lung tumours.

4. A 40 year male presents with a complaint of hematuria and his CT scan
shows a left renal mass with a renal vein thrombus and poorly
functioning left kidney.
What other investigation will you do and why?
What treatment will you suggest and why?
A year later, the patient has extensive bone and lung metastasis.
How will you treat the patient?

5. RTOG 90-03 used four different fractionation regimens to treat headneck
cancers, while the UK CHART trial used two different fractionation
regimens. Drawing from the results of these two landmark trials explain:
Various fractionation schedules that have been used in head-neck
cancers.
The radiobiologic principles that may account for the variable
outcomes of patients assigned to the various arms.
5+5
6. What are the clinical features of retinoblastoma? Write a note on
bilateral retinoblastoma.
4+6
P.T.O.
FINAL EXAM NATIONAL BOARD OF EXAMINATIONS
JUNE 2017

POSSESSION USE OF CELL PHONES OR ANY SUCH ELECTRONIC GADGETS IS NOT PERMITTED INSIDE THE
EXAMINATION HALL.
RADIOTHERAPY
PAPER II
7. Techniques of total body irradiation.
What are the organs to be shielded in total body irradiation and
how?
6+4
8. What are the high-risk factors for medulloblastoma?
How does risk-stratification affect its treatment?
5+5
9. How do you keep a patient of testicular NSGCT stage I on surveillance?
What are the poor prognostic factors?
6+4
10. Problems of giving chemotherapy to elderly patients.
10