Journal of Medical Physics
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Year : 1991  |  Volume : 16  |  Issue : 3  |  Page : 14-18

Establishing Interstitial Brachy Therapy Services Using Ir-192 Wire-Problems And Solutions

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V K Gupta

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. Interstitial implants using lr-192 wire has vast applications in the management of head & neck, breast and gynecological malignancies. Since the availability of lr-192 wire from BRIT, major hurdle has been overcome in India. But still there is great difficulty in procuring protective devices like storage lead pot, transportation trolly, lead screens, wire cutter and loader, etc. Another problem faced is in procuring plastic tubes of required specification, specially the inner plastic tubes which carry the lr-192 wire, and various accessories required for special situations. Third group of problem is learning the technical skills in performing the therapy in various sites. Most of the radiotherapy teaching centers in India do not have this facility. Hence there is no practical training. Further comprehensive books on this subject giving details of techniques are also scarce. Last group of problems and equally important is the dosimetric aspects of implants. At Smt. Vasantben R. Desai Cancer Research Centre, Rajkot we established interstitial brachy therapy services starting from the beginning. After attending a workshop in Feb. '86 at TMH, Bombay and subsequent short term training there, we started the preparation. We designed and fabricated almost all the radiation protection devices and other accessories locally at a cost of 50% or less. Some of these items have been supplied to a few other centers in India. Because of their unique features certain devices have been named GUPTA-MATHUR devices. This paper deals with comprehensive needs of the department, the kinds of problems faced while establishing this facility and their solutions. We feel establishing and running interstitial brachy therapy services using lr-192 wire is quite cost effective and is of great therapeutic benefit.

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