Download DNB 2020 June Radiotherapy Paper IV Question Paper

Download Diplomate of National Board (DNB) 2020 June Radiotherapy Paper IV Question Paper

FINAL EXAM
NATIONAL BOARD OF EXAMINATIONS
JUNE 2020
RADIOTHERAPY
PAPER-IV
Time: 3 hours
RTH/J/20/41/IV
Max. Marks:100
Important Instructions:
Attempt al questions in order.
Each question carries 10 marks.
Read the question careful y 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 al 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. a) Major interactions of ionizing radiation with matter.
5+5
b) Cel ular and molecular basis of radiation damage.
2. a) Linear energy transfer.
2+3+2+3
b) Stochastic and deterministic effects of radiation.
c) Deep inspiration breath hold technique.
d) 2-D matching of photon-photon and photon electron fields.
3. a) Discuss the 4 Rs of Radiobiology. 6
+
2+2
b) Abscopal Ef ect.
c) Radiotherapy & Immunotherapy.
4. a) Hyperthermia and Radiation.
6+4
b) What is thermal dose equivalent?
5. Clinical relevance of liquid biopsy in malignant tumours ? mechanism,
3+3+4
indications and its role in monitoring disease.
6. a) I125.
3+3+4
b) OER and LET.
c) Vaccines in cancer.
7. a) 18 F-PSMA PET/CT.
5+5
b) 68Ga-DOTATOC.
8. a) Fraction size and overal treatment time.
5+5
b) Clinical application of IORT in breast cancer.
9. a) QUANTEC values of structures of the eye bal .
5+5
b) Design of a Gamma knife.
10. Rationale and indications for using radio-immunoglobulins in malignant
10
disease.
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POSSESSION/USE OF CELL PHONES OR ANY SUCH ELECTRONIC GADGETS IS NOT PERMITTED INSIDE THE
EXAMINATION HALL.

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