DECEMBER 2017
RADIOTHERAPY
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PAPER - IV
RTH/D/17/41/V
Time : 3 hours
Max. Marks : 100
Important instructions:
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- 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.
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1. Write short notes on:
- a) Principles of palliative care. 3+4+3
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b) Management of brain metastases.
c) What is the role of corticosteroids and anticonvulsants in brain metastases? - a) Respiratory dampened radiotherapy 3+4+3
b) Respiratory gated radiotherapy
c) 4DCT - a) Define radiocurability 2+2+3+3
b) Define radiosensitivity
c) Factors accounting for different radiosensitivities of tumours.
d) Factors to overcome radioresistance. - a) Deterministic effects of radiation. 5+5
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b) Stochastic effects of radiation. - Write the utility of each, giving examples: 2x5
a) Alpha particles
b) Beta particles
c) Gamma rays--- Content provided by FirstRanker.com ---
d) X-rays
e) Carbon Ion Therapy - a) Technique of Total Body Irradiation 4+3+3
b) Indications of Total Body Irradiation
c) Acute effects of Total Body Irradiation. - a) Proto-oncogenes 5+5
b) Tumour suppressor genes - a) Electron Arc Therapy 2+3+3+2
b) Cone beam systems and its relevance
c) Electron portal imaging devices--- Content provided by FirstRanker.com ---
d) QA procedures for IMRT treatments - Role of following in diagnosis and RT planning, giving suitable examples: 3+2+3+2
a) CT Scan
b) MRI
c) PET-CT--- Content provided by FirstRanker.com ---
d) Conventional Imaging - Role of radiotherapy in: 4+3+3
a) Chromophobe adenoma pituitary
b) Thymoma
c) Oligodendroglioma gr. I -II
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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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This download link is referred from the post: DNB 2017 Dec Previous Question Papers-(Diplomate of National Board) Under NBE