A study about the measurement method of the homogeneity of radioactivity along an iridium-192 wire used in brachytherapy

Osvaldo L. Costa 1 , Wilson A. P. Calvo 1 , Carlos A. Zeituni 1 , Maria E. C. M. Rostelato 1 , João A. Moura 1 , Anselmo Feher 1 , Carla D. Souza 1  and Samir L. Somessari 1
  • 1 Nuclear and Energy Research Institute (IPEN/CNEN-SP), Radiation Technology Center CTR), 2242 Prof. Lineu Prestes Ave.,05508-000, São Paulo, SP, Brazil, Tel.: +55 11 3133 9821, Fax: +55 11 3133 9765,


The Nuclear and Energy Research Institute has produced, since 1998, iridium-192 wires used in low dose rate brachytherapy. In the paper the authors studied the influence of wire profile on the homogeneity distribution of radioactivity of iridium-192 along the wire. The authors propose the improvements in the quality control procedure that will provide more accurate measurement data and suggest changes in control devices.

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  • 2. Khan, F. M. (1994). The physics of radiation therapy.Baltimore: Williams & Wilkins.

  • 3. Rostelato, M. E. C. M. (1997). Preparação de fontes de irídio-192 para uso em braquiterapia. Unpublished master’s thesis, Nuclear and Energy Research Institute, São Paulo, Brazil

  • 4. Rostelato, M. E. C. M., Rela, P. R., Zeituni, C. A., Feher, A., Manzoli, J. E., Moura, J. A., Moura, E. S., & Silva, C.P. G. (2008). Development and production of radioactive sources used for cancer treatment in Brazil. Nukleonika, 53(S2), S99-S103.

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