Calculation of dose equivalent for positrons using the monte carlo code egs5

T. Kato, K. Aoki, S. Yokoyama, K. Minami, H. Yashima, A. Taniguchi, T. Nakamura, H. Hirayama

Research output: Contribution to conferencePaper

Abstract

Medical staff face the risk of chronic exposure to the annihilation photons generated by the positrons emitted from the radiopharmaceutical 2-deoxy-2-[18F]fluoro-D-glucose (18F-FDG) while administering it to patients for positron emission tomography (PET). In order to assess doses for this exposure, an EGS5 user code, UCF18DOSE, was developed to calculate the dose equivalent rates for positron. The energy spectra of positrons and photons used in the dose calculations were confirmed by the good agreement between the calculated pulse height distribution for a 18F point source and measurements recorded on scintillation counters. The dose rates calculated for a 18F-FDG line source were compared with those measured by a personal dosemeter at tissue depths of 70 μm and 1 cm. There is qualitative agreement between those results.

Original languageEnglish
Pages75-81
Number of pages7
Publication statusPublished - 01-12-2010
Event17th EGS Users' Meeting in Japan 2010 - Tsukuba, Japan
Duration: 02-08-201004-08-2010

Other

Other17th EGS Users' Meeting in Japan 2010
CountryJapan
CityTsukuba
Period02-08-1004-08-10

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Positrons
Glucose
Photons
Scintillation counters
Positron emission tomography
Dosimeters
Tissue

All Science Journal Classification (ASJC) codes

  • Software

Cite this

Kato, T., Aoki, K., Yokoyama, S., Minami, K., Yashima, H., Taniguchi, A., ... Hirayama, H. (2010). Calculation of dose equivalent for positrons using the monte carlo code egs5. 75-81. Paper presented at 17th EGS Users' Meeting in Japan 2010, Tsukuba, Japan.
Kato, T. ; Aoki, K. ; Yokoyama, S. ; Minami, K. ; Yashima, H. ; Taniguchi, A. ; Nakamura, T. ; Hirayama, H. / Calculation of dose equivalent for positrons using the monte carlo code egs5. Paper presented at 17th EGS Users' Meeting in Japan 2010, Tsukuba, Japan.7 p.
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Kato, T, Aoki, K, Yokoyama, S, Minami, K, Yashima, H, Taniguchi, A, Nakamura, T & Hirayama, H 2010, 'Calculation of dose equivalent for positrons using the monte carlo code egs5', Paper presented at 17th EGS Users' Meeting in Japan 2010, Tsukuba, Japan, 02-08-10 - 04-08-10 pp. 75-81.

Calculation of dose equivalent for positrons using the monte carlo code egs5. / Kato, T.; Aoki, K.; Yokoyama, S.; Minami, K.; Yashima, H.; Taniguchi, A.; Nakamura, T.; Hirayama, H.

2010. 75-81 Paper presented at 17th EGS Users' Meeting in Japan 2010, Tsukuba, Japan.

Research output: Contribution to conferencePaper

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T1 - Calculation of dose equivalent for positrons using the monte carlo code egs5

AU - Kato, T.

AU - Aoki, K.

AU - Yokoyama, S.

AU - Minami, K.

AU - Yashima, H.

AU - Taniguchi, A.

AU - Nakamura, T.

AU - Hirayama, H.

PY - 2010/12/1

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AB - Medical staff face the risk of chronic exposure to the annihilation photons generated by the positrons emitted from the radiopharmaceutical 2-deoxy-2-[18F]fluoro-D-glucose (18F-FDG) while administering it to patients for positron emission tomography (PET). In order to assess doses for this exposure, an EGS5 user code, UCF18DOSE, was developed to calculate the dose equivalent rates for positron. The energy spectra of positrons and photons used in the dose calculations were confirmed by the good agreement between the calculated pulse height distribution for a 18F point source and measurements recorded on scintillation counters. The dose rates calculated for a 18F-FDG line source were compared with those measured by a personal dosemeter at tissue depths of 70 μm and 1 cm. There is qualitative agreement between those results.

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Kato T, Aoki K, Yokoyama S, Minami K, Yashima H, Taniguchi A et al. Calculation of dose equivalent for positrons using the monte carlo code egs5. 2010. Paper presented at 17th EGS Users' Meeting in Japan 2010, Tsukuba, Japan.