Applied Radiation Physics & Radiation Protection

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Subject Code : CUTM2637

Subject type : 3+0+1

Credit: 4

Course Objectives

Introduction to the use of ionizing radiation for the management of cancer.
To get exposure to different types of clinical radiation generators.
Use of radioactive sources for the management of malignant and non-malignant diseases.
To know different areas of cancer management using advanced types of equipment.

Course outcome (CO)	Mapping COs with POs (High -3,Medium - 2, Low -1)
At the end of the course student will be able to: CO1 - know the advantages and harmful effects of radiation	PO1 (3)
CO2 –Explain The mechanism of interaction of ionizing radiation with the matter	PO2(2)
CO3 – Explain quantification of radiation and its use in regulated mannerCO4 - Perform Radiation protection techniques	PO3(2)

Course Syllabus

Module -1 National & international regulatory agency Principles, history & development- National & international agencies, AERB, BARC, ICRP, WHO, IAEA and their role.

Module -2 Planning of diagnostic equipment installation Planning of x-ray e quipment installation, layout, design as per regulatory guidelines. 8 Barrier design barrier materials-concrete, brick & lead. Primary & secondary barrier design calculations. Design of doors. protection from primary, secondary radiation Leakage and scattered radiation.

Module -3 Physical requirements of beam defining devices e.g. cones, diaphragm, collimators etc. Units of radiation measurements specification of quality and half- valve thickness (HLV) and its measurements, filters and filtration. Effects of variation of tube voltage (KV & mAs)

Module -4 Measurement of radiation and dosimetry procedures. Radiation detectors and their principles of working. Definition of Bragg-peak, percentage depth dose, peak scatter factor, tissue air-ratio, tissue maximum ratio, scatter air ratio, isodose curves and radiation penumbra of different beams.

Module -5 Wedge filters, wedge angle, hinge angle. Compensator beams flattering filters, scattering foils. Physical properties of phantom materials, bolus and substitutes. Factor used for treatment dose calculations, Daily treatment time and monitor unit’s calculation method physical aspects of electron and neutron therapy.

Module -6 Definition of radiation hazards maximum permissible dose and annual limit of intake (ALI) permissible dose levels on and around sealed source housing and installation principles of radiation protection and MPD of different ICRP rules, stochastic and non-stochastic effects.

Module -7 Importance of ‘ALARA’ physical principles of design and planning of installation safe work practice in teletherapy and brachytherapy. Shielding materials Radiation survey (Radiation Protective devices) and personnel monitoring devices film badge, TLD badges pocket dosimeters.

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