Journal of Medical Physics
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Year : 1993  |  Volume : 18  |  Issue : 3  |  Page : 11-17

Dosimetric Aspects Of Perineal Template Implants

Correspondence Address:
J.S Avadhani

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Source of Support: None, Conflict of Interest: None

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The conventional radiation sources have been replaced by 192Ir wires in interstitial brachytherapy because of its obvious advantages. The common technique adopted using 192Ir wires, in many anatomical sites, is with flexible nylon tubes and buttons. This technique has limitation where the tumour can be approached from only one. side like in the perineal region. The use of templates has an advantage of good geometry and homogeneous dose distribution around the target volume. One of the common templates used is the Prostate template, used for several sites in the perineal region. To get an idea of dose distribution in several dosimetric planes treatment planning system is essential. However this method is not practiced in the centres not having facility of computerized treatment planning system. This paper describes a simple method to carry out manual dosimetry, which can give a equitable results with the computerized dosimetry.

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