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  1. 原著論文

External dosimetry audit for quality assurance of carbon‐ion radiation therapy clinical trials

https://repo.qst.go.jp/records/49271
https://repo.qst.go.jp/records/49271
c9a61880-5239-42fb-bab9-e67ea925c1b5
Item type 学術雑誌論文 / Journal Article(1)
公開日 2018-11-26
タイトル
タイトル External dosimetry audit for quality assurance of carbon‐ion radiation therapy clinical trials
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ journal article
アクセス権
アクセス権 metadata only access
アクセス権URI http://purl.org/coar/access_right/c_14cb
著者 Mizuno, Hideyuki

× Mizuno, Hideyuki

WEKO 752946

Mizuno, Hideyuki

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Fukumura, Akifumi

× Fukumura, Akifumi

WEKO 752947

Fukumura, Akifumi

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Kanematsu, Nobuyuki

× Kanematsu, Nobuyuki

WEKO 752948

Kanematsu, Nobuyuki

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Yonai, Shunsuke

× Yonai, Shunsuke

WEKO 752949

Yonai, Shunsuke

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Shirai, Toshiyuki

× Shirai, Toshiyuki

WEKO 752950

Shirai, Toshiyuki

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Yusa, Ken

× Yusa, Ken

WEKO 752951

Yusa, Ken

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Yanou, Toshihiro

× Yanou, Toshihiro

WEKO 752952

Yanou, Toshihiro

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Suga, Masaki

× Suga, Masaki

WEKO 752953

Suga, Masaki

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Mizota, Manabu

× Mizota, Manabu

WEKO 752954

Mizota, Manabu

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Minohara, Shinichi

× Minohara, Shinichi

WEKO 752955

Minohara, Shinichi

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Kanai, Tatsuaki

× Kanai, Tatsuaki

WEKO 752956

Kanai, Tatsuaki

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Kamada, Tadashi

× Kamada, Tadashi

WEKO 752957

Kamada, Tadashi

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Mizuno, Hideyuki

× Mizuno, Hideyuki

WEKO 752958

en Mizuno, Hideyuki

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Fukumura, Akifumi

× Fukumura, Akifumi

WEKO 752959

en Fukumura, Akifumi

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Kanematsu, Nobuyuki

× Kanematsu, Nobuyuki

WEKO 752960

en Kanematsu, Nobuyuki

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Yonai, Shunsuke

× Yonai, Shunsuke

WEKO 752961

en Yonai, Shunsuke

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Shirai, Toshiyuki

× Shirai, Toshiyuki

WEKO 752962

en Shirai, Toshiyuki

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Yusa, Ken

× Yusa, Ken

WEKO 752963

en Yusa, Ken

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Yanou, Toshihiro

× Yanou, Toshihiro

WEKO 752964

en Yanou, Toshihiro

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suga, masaki

× suga, masaki

WEKO 752965

en suga, masaki

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Mizota, Manabu

× Mizota, Manabu

WEKO 752966

en Mizota, Manabu

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Minohara, Shinichi

× Minohara, Shinichi

WEKO 752967

en Minohara, Shinichi

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Kanai, Tatsuaki

× Kanai, Tatsuaki

WEKO 752968

en Kanai, Tatsuaki

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Kamada, Tadashi

× Kamada, Tadashi

WEKO 752969

en Kamada, Tadashi

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抄録
内容記述タイプ Abstract
内容記述 Purpose: The QA team of the Japan carbon‐ion radiation oncology study group
(J‐CROS) was organized in 2015 to enhance confidence in the accuracy of clinical
dosimetry and ensure that the facility QA procedures are adequate. The team conducted
onsite dosimetry audits in all the carbon‐ion radiation therapy centers in
Japan.
Materials and Methods: A special phantom was fabricated for the onsite dosimetry
audit. Target volumes such as the GTV, CTV, and PTV were contoured to the
obtained CT images, and two plans with different isocenter depths were created.
The dose at the isocenter was measured by an ionization chamber, in the onsite
audit and compared with the calculated dose.
Results: For all the centers, the average of the percentage ratio between the measured
and calculated doses (measured/calculated) was 0.5% (−2.7% to +2.6%) and
the standard deviation, 1.7%. In all the centers, the beams were within the set tolerance
level of 3%.
Conclusions: The audit demonstrated that the dose at a single point in the water
phantom was within tolerance, but it is a big step to say that all doses are correct.
In addition, this external dosimetry audit encouraged centers to improve the quality
of their dosimetry systems.
書誌情報 Journal of Applied Clinical Medical Physics

巻 20, 号 1, p. 31-36, 発行日 2018-11
出版者
出版者 Wiley Periodicals, Inc.
ISSN
収録物識別子タイプ ISSN
収録物識別子 1526-9914
PubMed番号
識別子タイプ PMID
関連識別子 30387294
DOI
識別子タイプ DOI
関連識別子 10.1002/acm2.12465
関連サイト
識別子タイプ URI
関連識別子 https://aapm.onlinelibrary.wiley.com/doi/full/10.1002/acm2.12465
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