DNB 2014 June Previous Question Papers-(Diplomate of National Board) Under NBE
FINAL EXAM NATIONAL BOARD OF EXAMINATIONS
JUNE 2014
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RADIOTHERAPY
PAPER - I
RTH/J/14/41/1
Time : 3 hours
Max. Marks : 100
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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.
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- Draw labeled diagrams of oral cavity and describe pattern of lymphatic drainage of anterior 2/3rd tongue cancer. (4+6)
- Mention pathological classification of ovarian malignancies. Describe salient features of epithelial cancers of ovary. (5+5)
- What are different phases of clinical trials described? Discuss one randomized clinical trial for head and neck cancer which has made clinical impact. (4+6)
- Explain pros & cons of vaccination against carcinoma cervix. Discuss the clinical trial recently conducted worldwide and evidence available. (3+7)
- Draw labeled diagram of conventional radiotherapy simulator and discuss functions of conventional radiotherapy simulator. Describe the various features available with modern CT-Simulator. ((3+3)+4)
- Describe maximal permissible dose limits of radiation described by Indian regulatory body. How will you manage a person exposed to 3Gy whole body radiation in Telecobalt area? (5+5)
- What parameters are checked as daily calibration of a dual energy accelerator with MLC? Discuss the characteristics and use of 12 MeV electron beam. (4+(4+2))
- Enumerate beam modifying devices used for radiotherapy machines. Describe in detail types of wedges available in practice. (4+6)
- Describe briefly various dosage systems of interstitial brachytherapy. Mention the GEC-ESTRO recommendations for intracavitary irradiation for carcinoma cervix. (5+5)
- Write short notes on hypofractionation schedules. (5+5)
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