[LO 0219] FEBRUARY 2019 Sub. Code: 1931
B.Sc. RADIOTHERAPHY TECHNOLOGY
(New Syllabus 2014-2015)
SECOND YEAR
PAPER I TUMOR PATHOLOGY AND RADIOTHERAPY APPLICATIONS
Q.P. Code: 801931
Time: Three Hours Maximum 100 Marks
Answer All Questions
I. Elaborate on: x 10 30)
1. Classification of tumors? Explain about contrasting features of benign and
malignant tumors?
2. What are the characteristics of electron beam? Write in detail about the techniques
in total skin electron therapy TSET?
3. Steps involved in simulation, dose fractionation, treatment techniques, field
borders in treatment of carcinoma oropharynx?
II. Write Notes on: x 5 40)
1. Differences between oncogene and antioncogene?
2. Neoplastic and non-neoplastic complications of ionizing radiation?
3. Tumor markers.
4. Stanford technique.
5. Schematic illustration of molecular basis of cancer?
6. Special categories of tumor.
7. Properties of brachytherapy source.
8. Inverted Y technique.
III. Short Answers on: (10 x 3 30)
1. Ir-192.
2. Point A and Point B in brachytherapy.
3. Metastasis.
4. 5 of radiotherapy.
5. Surface mould.
6. IFRT.
7. LDR, MDR, HDR in brachytherapy.
8. Radiation effects on Embryo and Fetus.
9. Oncogenic DNA virus.
10. Pathways of spread of tumor.